Home / 91,827.45-137,770.94-45,047.52

Finding the Fourth Proportional to 91,827.45, 137,770.94 and 45,047.52

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Solution

The fourth proportional to 91,827.45, 137,770.94 and 45,047.52 is: 67,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827.45 : 137,770.94 = 45,047.52 : x
  2. Step 2: Convert to fraction form
    91,827.45/137,770.94 = 45,047.52/x
  3. Step 3: Cross multiply
    91,827.45x = 137,770.94 × 45,047.52
  4. Step 4: Simplify right side
    91,827.45x = 6,206,239,287.69
  5. Step 5: Solve for x
    x = 6,206,239,287.69/91,827.45
  6. Step 6: Final answer
    x = 67,585.88

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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.