Home / 99,827.18-137,711.78-59,512.53

Finding the Fourth Proportional to 99,827.18, 137,711.78 and 59,512.53

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Solution

The fourth proportional to 99,827.18, 137,711.78 and 59,512.53 is: 82,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.18 : 137,711.78 = 59,512.53 : x
  2. Step 2: Convert to fraction form
    99,827.18/137,711.78 = 59,512.53/x
  3. Step 3: Cross multiply
    99,827.18x = 137,711.78 × 59,512.53
  4. Step 4: Simplify right side
    99,827.18x = 8,195,576,438.60
  5. Step 5: Solve for x
    x = 8,195,576,438.60/99,827.18
  6. Step 6: Final answer
    x = 82,097.65

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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.