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Finding the Fourth Proportional to 62,341.20, 93,742.20 and 52,203.60

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Solution

The fourth proportional to 62,341.20, 93,742.20 and 52,203.60 is: 78,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,341.20 : 93,742.20 = 52,203.60 : x
  2. Step 2: Convert to fraction form
    62,341.20/93,742.20 = 52,203.60/x
  3. Step 3: Cross multiply
    62,341.20x = 93,742.20 × 52,203.60
  4. Step 4: Simplify right side
    62,341.20x = 4,893,680,311.92
  5. Step 5: Solve for x
    x = 4,893,680,311.92/62,341.20
  6. Step 6: Final answer
    x = 78,498.33

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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.