Home / 87,319.08-130,853.48-49,801.50

Finding the Fourth Proportional to 87,319.08, 130,853.48 and 49,801.50

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Solution

The fourth proportional to 87,319.08, 130,853.48 and 49,801.50 is: 74,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,319.08 : 130,853.48 = 49,801.50 : x
  2. Step 2: Convert to fraction form
    87,319.08/130,853.48 = 49,801.50/x
  3. Step 3: Cross multiply
    87,319.08x = 130,853.48 × 49,801.50
  4. Step 4: Simplify right side
    87,319.08x = 6,516,699,335.21
  5. Step 5: Solve for x
    x = 6,516,699,335.21/87,319.08
  6. Step 6: Final answer
    x = 74,630.87

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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.