Home / 56,472.89-77,938.72-36,073.72

Finding the Fourth Proportional to 56,472.89, 77,938.72 and 36,073.72

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Solution

The fourth proportional to 56,472.89, 77,938.72 and 36,073.72 is: 49,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.89 : 77,938.72 = 36,073.72 : x
  2. Step 2: Convert to fraction form
    56,472.89/77,938.72 = 36,073.72/x
  3. Step 3: Cross multiply
    56,472.89x = 77,938.72 × 36,073.72
  4. Step 4: Simplify right side
    56,472.89x = 2,811,539,569.68
  5. Step 5: Solve for x
    x = 2,811,539,569.68/56,472.89
  6. Step 6: Final answer
    x = 49,785.66

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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.