Home / 78,285.17-117,436.91-24,958.55

Finding the Fourth Proportional to 78,285.17, 117,436.91 and 24,958.55

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Solution

The fourth proportional to 78,285.17, 117,436.91 and 24,958.55 is: 37,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,285.17 : 117,436.91 = 24,958.55 : x
  2. Step 2: Convert to fraction form
    78,285.17/117,436.91 = 24,958.55/x
  3. Step 3: Cross multiply
    78,285.17x = 117,436.91 × 24,958.55
  4. Step 4: Simplify right side
    78,285.17x = 2,931,055,158.88
  5. Step 5: Solve for x
    x = 2,931,055,158.88/78,285.17
  6. Step 6: Final answer
    x = 37,440.74

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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.