Home / 78,331.62-108,099.32-44,340.15

Finding the Fourth Proportional to 78,331.62, 108,099.32 and 44,340.15

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Solution

The fourth proportional to 78,331.62, 108,099.32 and 44,340.15 is: 61,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,331.62 : 108,099.32 = 44,340.15 : x
  2. Step 2: Convert to fraction form
    78,331.62/108,099.32 = 44,340.15/x
  3. Step 3: Cross multiply
    78,331.62x = 108,099.32 × 44,340.15
  4. Step 4: Simplify right side
    78,331.62x = 4,793,140,063.70
  5. Step 5: Solve for x
    x = 4,793,140,063.70/78,331.62
  6. Step 6: Final answer
    x = 61,190.36

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1.5x scale

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.