Home / 82,080.16-123,120.24-46,995.52

Finding the Fourth Proportional to 82,080.16, 123,120.24 and 46,995.52

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Solution

The fourth proportional to 82,080.16, 123,120.24 and 46,995.52 is: 70,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,080.16 : 123,120.24 = 46,995.52 : x
  2. Step 2: Convert to fraction form
    82,080.16/123,120.24 = 46,995.52/x
  3. Step 3: Cross multiply
    82,080.16x = 123,120.24 × 46,995.52
  4. Step 4: Simplify right side
    82,080.16x = 5,786,099,701.32
  5. Step 5: Solve for x
    x = 5,786,099,701.32/82,080.16
  6. Step 6: Final answer
    x = 70,493.28

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.