Home / 99,932.55-137,908.62-59,638.50

Finding the Fourth Proportional to 99,932.55, 137,908.62 and 59,638.50

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Solution

The fourth proportional to 99,932.55, 137,908.62 and 59,638.50 is: 82,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,932.55 : 137,908.62 = 59,638.50 : x
  2. Step 2: Convert to fraction form
    99,932.55/137,908.62 = 59,638.50/x
  3. Step 3: Cross multiply
    99,932.55x = 137,908.62 × 59,638.50
  4. Step 4: Simplify right side
    99,932.55x = 8,224,663,233.87
  5. Step 5: Solve for x
    x = 8,224,663,233.87/99,932.55
  6. Step 6: Final answer
    x = 82,302.15

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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.