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Finding the Fourth Proportional to 73,233.30, 109,849.95 and 49,905.30

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Solution

The fourth proportional to 73,233.30, 109,849.95 and 49,905.30 is: 74,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,233.30 : 109,849.95 = 49,905.30 : x
  2. Step 2: Convert to fraction form
    73,233.30/109,849.95 = 49,905.30/x
  3. Step 3: Cross multiply
    73,233.30x = 109,849.95 × 49,905.30
  4. Step 4: Simplify right side
    73,233.30x = 5,482,094,709.74
  5. Step 5: Solve for x
    x = 5,482,094,709.74/73,233.30
  6. Step 6: Final answer
    x = 74,857.95

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Similar ratio
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1.5x scale

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.