Home / 73,025.60-109,549.68-30,905.92

Finding the Fourth Proportional to 73,025.60, 109,549.68 and 30,905.92

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Solution

The fourth proportional to 73,025.60, 109,549.68 and 30,905.92 is: 46,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,025.60 : 109,549.68 = 30,905.92 : x
  2. Step 2: Convert to fraction form
    73,025.60/109,549.68 = 30,905.92/x
  3. Step 3: Cross multiply
    73,025.60x = 109,549.68 × 30,905.92
  4. Step 4: Simplify right side
    73,025.60x = 3,385,733,646.11
  5. Step 5: Solve for x
    x = 3,385,733,646.11/73,025.60
  6. Step 6: Final answer
    x = 46,363.65

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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.