Home / 87,030.52-120,101.70-49,304.68

Finding the Fourth Proportional to 87,030.52, 120,101.70 and 49,304.68

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Solution

The fourth proportional to 87,030.52, 120,101.70 and 49,304.68 is: 68,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,030.52 : 120,101.70 = 49,304.68 : x
  2. Step 2: Convert to fraction form
    87,030.52/120,101.70 = 49,304.68/x
  3. Step 3: Cross multiply
    87,030.52x = 120,101.70 × 49,304.68
  4. Step 4: Simplify right side
    87,030.52x = 5,921,575,885.96
  5. Step 5: Solve for x
    x = 5,921,575,885.96/87,030.52
  6. Step 6: Final answer
    x = 68,040.22

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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.