Home / 56,872.17-78,508.76-36,738.86

Finding the Fourth Proportional to 56,872.17, 78,508.76 and 36,738.86

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Solution

The fourth proportional to 56,872.17, 78,508.76 and 36,738.86 is: 50,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872.17 : 78,508.76 = 36,738.86 : x
  2. Step 2: Convert to fraction form
    56,872.17/78,508.76 = 36,738.86/x
  3. Step 3: Cross multiply
    56,872.17x = 78,508.76 × 36,738.86
  4. Step 4: Simplify right side
    56,872.17x = 2,884,321,766.18
  5. Step 5: Solve for x
    x = 2,884,321,766.18/56,872.17
  6. Step 6: Final answer
    x = 50,715.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.