Home / 88,044.98-131,988.54-31,871.93

Finding the Fourth Proportional to 88,044.98, 131,988.54 and 31,871.93

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Solution

The fourth proportional to 88,044.98, 131,988.54 and 31,871.93 is: 47,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,044.98 : 131,988.54 = 31,871.93 : x
  2. Step 2: Convert to fraction form
    88,044.98/131,988.54 = 31,871.93/x
  3. Step 3: Cross multiply
    88,044.98x = 131,988.54 × 31,871.93
  4. Step 4: Simplify right side
    88,044.98x = 4,206,729,507.68
  5. Step 5: Solve for x
    x = 4,206,729,507.68/88,044.98
  6. Step 6: Final answer
    x = 47,779.32

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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.