Home / 99,134.39-136,876.55-60,945.14

Finding the Fourth Proportional to 99,134.39, 136,876.55 and 60,945.14

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Solution

The fourth proportional to 99,134.39, 136,876.55 and 60,945.14 is: 84,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,134.39 : 136,876.55 = 60,945.14 : x
  2. Step 2: Convert to fraction form
    99,134.39/136,876.55 = 60,945.14/x
  3. Step 3: Cross multiply
    99,134.39x = 136,876.55 × 60,945.14
  4. Step 4: Simplify right side
    99,134.39x = 8,341,960,539.93
  5. Step 5: Solve for x
    x = 8,341,960,539.93/99,134.39
  6. Step 6: Final answer
    x = 84,148.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.