Home / 91,775.18-137,633.60-62,381.90

Finding the Fourth Proportional to 91,775.18, 137,633.60 and 62,381.90

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Solution

The fourth proportional to 91,775.18, 137,633.60 and 62,381.90 is: 93,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,775.18 : 137,633.60 = 62,381.90 : x
  2. Step 2: Convert to fraction form
    91,775.18/137,633.60 = 62,381.90/x
  3. Step 3: Cross multiply
    91,775.18x = 137,633.60 × 62,381.90
  4. Step 4: Simplify right side
    91,775.18x = 8,585,845,471.84
  5. Step 5: Solve for x
    x = 8,585,845,471.84/91,775.18
  6. Step 6: Final answer
    x = 93,553.02

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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.