Home / 71,285.18-98,366.86-42,599.13

Finding the Fourth Proportional to 71,285.18, 98,366.86 and 42,599.13

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Solution

The fourth proportional to 71,285.18, 98,366.86 and 42,599.13 is: 58,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,285.18 : 98,366.86 = 42,599.13 : x
  2. Step 2: Convert to fraction form
    71,285.18/98,366.86 = 42,599.13/x
  3. Step 3: Cross multiply
    71,285.18x = 98,366.86 × 42,599.13
  4. Step 4: Simplify right side
    71,285.18x = 4,190,342,654.90
  5. Step 5: Solve for x
    x = 4,190,342,654.90/71,285.18
  6. Step 6: Final answer
    x = 58,782.80

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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.