Home / 99,265.92-148,899.76-29,146.40

Finding the Fourth Proportional to 99,265.92, 148,899.76 and 29,146.40

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Solution

The fourth proportional to 99,265.92, 148,899.76 and 29,146.40 is: 43,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265.92 : 148,899.76 = 29,146.40 : x
  2. Step 2: Convert to fraction form
    99,265.92/148,899.76 = 29,146.40/x
  3. Step 3: Cross multiply
    99,265.92x = 148,899.76 × 29,146.40
  4. Step 4: Simplify right side
    99,265.92x = 4,339,891,964.86
  5. Step 5: Solve for x
    x = 4,339,891,964.86/99,265.92
  6. Step 6: Final answer
    x = 43,719.86

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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.