Home / 72,376.76-109,058.18-59,517.20

Finding the Fourth Proportional to 72,376.76, 109,058.18 and 59,517.20

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Solution

The fourth proportional to 72,376.76, 109,058.18 and 59,517.20 is: 89,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376.76 : 109,058.18 = 59,517.20 : x
  2. Step 2: Convert to fraction form
    72,376.76/109,058.18 = 59,517.20/x
  3. Step 3: Cross multiply
    72,376.76x = 109,058.18 × 59,517.20
  4. Step 4: Simplify right side
    72,376.76x = 6,490,837,510.70
  5. Step 5: Solve for x
    x = 6,490,837,510.70/72,376.76
  6. Step 6: Final answer
    x = 89,681.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.