Home / 65,760.15-98,639.31-61,557.47

Finding the Fourth Proportional to 65,760.15, 98,639.31 and 61,557.47

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Solution

The fourth proportional to 65,760.15, 98,639.31 and 61,557.47 is: 92,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,760.15 : 98,639.31 = 61,557.47 : x
  2. Step 2: Convert to fraction form
    65,760.15/98,639.31 = 61,557.47/x
  3. Step 3: Cross multiply
    65,760.15x = 98,639.31 × 61,557.47
  4. Step 4: Simplify right side
    65,760.15x = 6,071,985,872.95
  5. Step 5: Solve for x
    x = 6,071,985,872.95/65,760.15
  6. Step 6: Final answer
    x = 92,335.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.