Home / 57,080.04-85,620.06-30,950.25

Finding the Fourth Proportional to 57,080.04, 85,620.06 and 30,950.25

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Solution

The fourth proportional to 57,080.04, 85,620.06 and 30,950.25 is: 46,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,080.04 : 85,620.06 = 30,950.25 : x
  2. Step 2: Convert to fraction form
    57,080.04/85,620.06 = 30,950.25/x
  3. Step 3: Cross multiply
    57,080.04x = 85,620.06 × 30,950.25
  4. Step 4: Simplify right side
    57,080.04x = 2,649,962,262.02
  5. Step 5: Solve for x
    x = 2,649,962,262.02/57,080.04
  6. Step 6: Final answer
    x = 46,425.38

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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.