Home / 91,562.79-137,395.22-49,441.98

Finding the Fourth Proportional to 91,562.79, 137,395.22 and 49,441.98

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Solution

The fourth proportional to 91,562.79, 137,395.22 and 49,441.98 is: 74,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562.79 : 137,395.22 = 49,441.98 : x
  2. Step 2: Convert to fraction form
    91,562.79/137,395.22 = 49,441.98/x
  3. Step 3: Cross multiply
    91,562.79x = 137,395.22 × 49,441.98
  4. Step 4: Simplify right side
    91,562.79x = 6,793,091,472.13
  5. Step 5: Solve for x
    x = 6,793,091,472.13/91,562.79
  6. Step 6: Final answer
    x = 74,190.53

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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.