Home / 77,617.24-116,483.82-57,672.88

Finding the Fourth Proportional to 77,617.24, 116,483.82 and 57,672.88

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Solution

The fourth proportional to 77,617.24, 116,483.82 and 57,672.88 is: 86,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,617.24 : 116,483.82 = 57,672.88 : x
  2. Step 2: Convert to fraction form
    77,617.24/116,483.82 = 57,672.88/x
  3. Step 3: Cross multiply
    77,617.24x = 116,483.82 × 57,672.88
  4. Step 4: Simplify right side
    77,617.24x = 6,717,957,372.80
  5. Step 5: Solve for x
    x = 6,717,957,372.80/77,617.24
  6. Step 6: Final answer
    x = 86,552.39

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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.