Home / 99,442.71-149,173.79-29,342.07

Finding the Fourth Proportional to 99,442.71, 149,173.79 and 29,342.07

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Solution

The fourth proportional to 99,442.71, 149,173.79 and 29,342.07 is: 44,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,442.71 : 149,173.79 = 29,342.07 : x
  2. Step 2: Convert to fraction form
    99,442.71/149,173.79 = 29,342.07/x
  3. Step 3: Cross multiply
    99,442.71x = 149,173.79 × 29,342.07
  4. Step 4: Simplify right side
    99,442.71x = 4,377,067,641.63
  5. Step 5: Solve for x
    x = 4,377,067,641.63/99,442.71
  6. Step 6: Final answer
    x = 44,015.97

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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.