Home / 71,430.46-98,578.11-43,145.26

Finding the Fourth Proportional to 71,430.46, 98,578.11 and 43,145.26

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Solution

The fourth proportional to 71,430.46, 98,578.11 and 43,145.26 is: 59,542.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,430.46 : 98,578.11 = 43,145.26 : x
  2. Step 2: Convert to fraction form
    71,430.46/98,578.11 = 43,145.26/x
  3. Step 3: Cross multiply
    71,430.46x = 98,578.11 × 43,145.26
  4. Step 4: Simplify right side
    71,430.46x = 4,253,178,101.61
  5. Step 5: Solve for x
    x = 4,253,178,101.61/71,430.46
  6. Step 6: Final answer
    x = 59,542.92

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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.