Home / 91,562.13-137,382.65-49,433.84

Finding the Fourth Proportional to 91,562.13, 137,382.65 and 49,433.84

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Solution

The fourth proportional to 91,562.13, 137,382.65 and 49,433.84 is: 74,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562.13 : 137,382.65 = 49,433.84 : x
  2. Step 2: Convert to fraction form
    91,562.13/137,382.65 = 49,433.84/x
  3. Step 3: Cross multiply
    91,562.13x = 137,382.65 × 49,433.84
  4. Step 4: Simplify right side
    91,562.13x = 6,791,351,938.88
  5. Step 5: Solve for x
    x = 6,791,351,938.88/91,562.13
  6. Step 6: Final answer
    x = 74,172.07

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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.