Home / 71,542.32-98,754.90-61,430.15

Finding the Fourth Proportional to 71,542.32, 98,754.90 and 61,430.15

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Solution

The fourth proportional to 71,542.32, 98,754.90 and 61,430.15 is: 84,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542.32 : 98,754.90 = 61,430.15 : x
  2. Step 2: Convert to fraction form
    71,542.32/98,754.90 = 61,430.15/x
  3. Step 3: Cross multiply
    71,542.32x = 98,754.90 × 61,430.15
  4. Step 4: Simplify right side
    71,542.32x = 6,066,528,320.24
  5. Step 5: Solve for x
    x = 6,066,528,320.24/71,542.32
  6. Step 6: Final answer
    x = 84,796.36

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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.