Home / 62,985.10-86,921.52-34,305.88

Finding the Fourth Proportional to 62,985.10, 86,921.52 and 34,305.88

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Solution

The fourth proportional to 62,985.10, 86,921.52 and 34,305.88 is: 47,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.10 : 86,921.52 = 34,305.88 : x
  2. Step 2: Convert to fraction form
    62,985.10/86,921.52 = 34,305.88/x
  3. Step 3: Cross multiply
    62,985.10x = 86,921.52 × 34,305.88
  4. Step 4: Simplify right side
    62,985.10x = 2,981,919,234.54
  5. Step 5: Solve for x
    x = 2,981,919,234.54/62,985.10
  6. Step 6: Final answer
    x = 47,343.25

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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.