Home / 71,539.32-98,750.76-61,427.15

Finding the Fourth Proportional to 71,539.32, 98,750.76 and 61,427.15

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Solution

The fourth proportional to 71,539.32, 98,750.76 and 61,427.15 is: 84,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539.32 : 98,750.76 = 61,427.15 : x
  2. Step 2: Convert to fraction form
    71,539.32/98,750.76 = 61,427.15/x
  3. Step 3: Cross multiply
    71,539.32x = 98,750.76 × 61,427.15
  4. Step 4: Simplify right side
    71,539.32x = 6,065,977,253.38
  5. Step 5: Solve for x
    x = 6,065,977,253.38/71,539.32
  6. Step 6: Final answer
    x = 84,792.21

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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.