Home / 71,574.38-98,781.75-43,280.27

Finding the Fourth Proportional to 71,574.38, 98,781.75 and 43,280.27

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Solution

The fourth proportional to 71,574.38, 98,781.75 and 43,280.27 is: 59,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,574.38 : 98,781.75 = 43,280.27 : x
  2. Step 2: Convert to fraction form
    71,574.38/98,781.75 = 43,280.27/x
  3. Step 3: Cross multiply
    71,574.38x = 98,781.75 × 43,280.27
  4. Step 4: Simplify right side
    71,574.38x = 4,275,300,317.16
  5. Step 5: Solve for x
    x = 4,275,300,317.16/71,574.38
  6. Step 6: Final answer
    x = 59,732.28

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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.