Home / 62,280.30-85,960.56-39,614.88

Finding the Fourth Proportional to 62,280.30, 85,960.56 and 39,614.88

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Solution

The fourth proportional to 62,280.30, 85,960.56 and 39,614.88 is: 54,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,280.30 : 85,960.56 = 39,614.88 : x
  2. Step 2: Convert to fraction form
    62,280.30/85,960.56 = 39,614.88/x
  3. Step 3: Cross multiply
    62,280.30x = 85,960.56 × 39,614.88
  4. Step 4: Simplify right side
    62,280.30x = 3,405,317,269.13
  5. Step 5: Solve for x
    x = 3,405,317,269.13/62,280.30
  6. Step 6: Final answer
    x = 54,677.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.