Home / 78,063.60-117,099.52-24,759.76

Finding the Fourth Proportional to 78,063.60, 117,099.52 and 24,759.76

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Solution

The fourth proportional to 78,063.60, 117,099.52 and 24,759.76 is: 37,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,063.60 : 117,099.52 = 24,759.76 : x
  2. Step 2: Convert to fraction form
    78,063.60/117,099.52 = 24,759.76/x
  3. Step 3: Cross multiply
    78,063.60x = 117,099.52 × 24,759.76
  4. Step 4: Simplify right side
    78,063.60x = 2,899,356,011.32
  5. Step 5: Solve for x
    x = 2,899,356,011.32/78,063.60
  6. Step 6: Final answer
    x = 37,140.95

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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.