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Finding the Fourth Proportional to 67,965.60, 93,790.02 and 37,752.90

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Solution

The fourth proportional to 67,965.60, 93,790.02 and 37,752.90 is: 52,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,965.60 : 93,790.02 = 37,752.90 : x
  2. Step 2: Convert to fraction form
    67,965.60/93,790.02 = 37,752.90/x
  3. Step 3: Cross multiply
    67,965.60x = 93,790.02 × 37,752.90
  4. Step 4: Simplify right side
    67,965.60x = 3,540,845,246.06
  5. Step 5: Solve for x
    x = 3,540,845,246.06/67,965.60
  6. Step 6: Final answer
    x = 52,097.61

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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.