Home / 91,800.27-137,589.67-47,402.82

Finding the Fourth Proportional to 91,800.27, 137,589.67 and 47,402.82

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Solution

The fourth proportional to 91,800.27, 137,589.67 and 47,402.82 is: 71,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,800.27 : 137,589.67 = 47,402.82 : x
  2. Step 2: Convert to fraction form
    91,800.27/137,589.67 = 47,402.82/x
  3. Step 3: Cross multiply
    91,800.27x = 137,589.67 × 47,402.82
  4. Step 4: Simplify right side
    91,800.27x = 6,522,138,420.12
  5. Step 5: Solve for x
    x = 6,522,138,420.12/91,800.27
  6. Step 6: Final answer
    x = 71,047.05

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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.