Home / 99,471.48-149,207.13-29,345.28

Finding the Fourth Proportional to 99,471.48, 149,207.13 and 29,345.28

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Solution

The fourth proportional to 99,471.48, 149,207.13 and 29,345.28 is: 44,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,471.48 : 149,207.13 = 29,345.28 : x
  2. Step 2: Convert to fraction form
    99,471.48/149,207.13 = 29,345.28/x
  3. Step 3: Cross multiply
    99,471.48x = 149,207.13 × 29,345.28
  4. Step 4: Simplify right side
    99,471.48x = 4,378,525,007.85
  5. Step 5: Solve for x
    x = 4,378,525,007.85/99,471.48
  6. Step 6: Final answer
    x = 44,017.89

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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.