Home / 113,624.64-170,439.12-38,761.92

Finding the Fourth Proportional to 113,624.64, 170,439.12 and 38,761.92

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Solution

The fourth proportional to 113,624.64, 170,439.12 and 38,761.92 is: 58,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,624.64 : 170,439.12 = 38,761.92 : x
  2. Step 2: Convert to fraction form
    113,624.64/170,439.12 = 38,761.92/x
  3. Step 3: Cross multiply
    113,624.64x = 170,439.12 × 38,761.92
  4. Step 4: Simplify right side
    113,624.64x = 6,606,547,534.31
  5. Step 5: Solve for x
    x = 6,606,547,534.31/113,624.64
  6. Step 6: Final answer
    x = 58,143.62

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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.