Home / 87,484.88-131,291.07-34,909.40

Finding the Fourth Proportional to 87,484.88, 131,291.07 and 34,909.40

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Solution

The fourth proportional to 87,484.88, 131,291.07 and 34,909.40 is: 52,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,484.88 : 131,291.07 = 34,909.40 : x
  2. Step 2: Convert to fraction form
    87,484.88/131,291.07 = 34,909.40/x
  3. Step 3: Cross multiply
    87,484.88x = 131,291.07 × 34,909.40
  4. Step 4: Simplify right side
    87,484.88x = 4,583,292,479.06
  5. Step 5: Solve for x
    x = 4,583,292,479.06/87,484.88
  6. Step 6: Final answer
    x = 52,389.54

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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.