Home / 75,429.92-112,972.66-36,014.72

Finding the Fourth Proportional to 75,429.92, 112,972.66 and 36,014.72

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Solution

The fourth proportional to 75,429.92, 112,972.66 and 36,014.72 is: 53,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.92 : 112,972.66 = 36,014.72 : x
  2. Step 2: Convert to fraction form
    75,429.92/112,972.66 = 36,014.72/x
  3. Step 3: Cross multiply
    75,429.92x = 112,972.66 × 36,014.72
  4. Step 4: Simplify right side
    75,429.92x = 4,068,678,062.66
  5. Step 5: Solve for x
    x = 4,068,678,062.66/75,429.92
  6. Step 6: Final answer
    x = 53,939.84

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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.