Home / 99,308.43-148,959-24,428.79

Finding the Fourth Proportional to 99,308.43, 148,959 and 24,428.79

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Solution

The fourth proportional to 99,308.43, 148,959 and 24,428.79 is: 36,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,308.43 : 148,959 = 24,428.79 : x
  2. Step 2: Convert to fraction form
    99,308.43/148,959 = 24,428.79/x
  3. Step 3: Cross multiply
    99,308.43x = 148,959 × 24,428.79
  4. Step 4: Simplify right side
    99,308.43x = 3,638,888,129.61
  5. Step 5: Solve for x
    x = 3,638,888,129.61/99,308.43
  6. Step 6: Final answer
    x = 36,642.29

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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.