Home / 63,716.31-87,932.84-42,168.89

Finding the Fourth Proportional to 63,716.31, 87,932.84 and 42,168.89

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Solution

The fourth proportional to 63,716.31, 87,932.84 and 42,168.89 is: 58,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,716.31 : 87,932.84 = 42,168.89 : x
  2. Step 2: Convert to fraction form
    63,716.31/87,932.84 = 42,168.89/x
  3. Step 3: Cross multiply
    63,716.31x = 87,932.84 × 42,168.89
  4. Step 4: Simplify right side
    63,716.31x = 3,708,029,606.84
  5. Step 5: Solve for x
    x = 3,708,029,606.84/63,716.31
  6. Step 6: Final answer
    x = 58,195.93

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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.