Home / 99,266.92-148,901.26-29,147.40

Finding the Fourth Proportional to 99,266.92, 148,901.26 and 29,147.40

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Solution

The fourth proportional to 99,266.92, 148,901.26 and 29,147.40 is: 43,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,266.92 : 148,901.26 = 29,147.40 : x
  2. Step 2: Convert to fraction form
    99,266.92/148,901.26 = 29,147.40/x
  3. Step 3: Cross multiply
    99,266.92x = 148,901.26 × 29,147.40
  4. Step 4: Simplify right side
    99,266.92x = 4,340,084,585.72
  5. Step 5: Solve for x
    x = 4,340,084,585.72/99,266.92
  6. Step 6: Final answer
    x = 43,721.36

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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.