Home / 55,127.70-82,733.15-40,374.86

Finding the Fourth Proportional to 55,127.70, 82,733.15 and 40,374.86

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Solution

The fourth proportional to 55,127.70, 82,733.15 and 40,374.86 is: 60,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,127.70 : 82,733.15 = 40,374.86 : x
  2. Step 2: Convert to fraction form
    55,127.70/82,733.15 = 40,374.86/x
  3. Step 3: Cross multiply
    55,127.70x = 82,733.15 × 40,374.86
  4. Step 4: Simplify right side
    55,127.70x = 3,340,339,656.38
  5. Step 5: Solve for x
    x = 3,340,339,656.38/55,127.70
  6. Step 6: Final answer
    x = 60,592.76

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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.