Home / 82,661.32-123,973.35-23,495.68

Finding the Fourth Proportional to 82,661.32, 123,973.35 and 23,495.68

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Solution

The fourth proportional to 82,661.32, 123,973.35 and 23,495.68 is: 35,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,661.32 : 123,973.35 = 23,495.68 : x
  2. Step 2: Convert to fraction form
    82,661.32/123,973.35 = 23,495.68/x
  3. Step 3: Cross multiply
    82,661.32x = 123,973.35 × 23,495.68
  4. Step 4: Simplify right side
    82,661.32x = 2,912,838,160.13
  5. Step 5: Solve for x
    x = 2,912,838,160.13/82,661.32
  6. Step 6: Final answer
    x = 35,238.22

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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.