Home / 87,326.82-130,991.04-34,749.72

Finding the Fourth Proportional to 87,326.82, 130,991.04 and 34,749.72

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Solution

The fourth proportional to 87,326.82, 130,991.04 and 34,749.72 is: 52,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,326.82 : 130,991.04 = 34,749.72 : x
  2. Step 2: Convert to fraction form
    87,326.82/130,991.04 = 34,749.72/x
  3. Step 3: Cross multiply
    87,326.82x = 130,991.04 × 34,749.72
  4. Step 4: Simplify right side
    87,326.82x = 4,551,901,962.51
  5. Step 5: Solve for x
    x = 4,551,901,962.51/87,326.82
  6. Step 6: Final answer
    x = 52,124.90

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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.