Home / 87,316.12-120,496.26-49,590.28

Finding the Fourth Proportional to 87,316.12, 120,496.26 and 49,590.28

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Solution

The fourth proportional to 87,316.12, 120,496.26 and 49,590.28 is: 68,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,316.12 : 120,496.26 = 49,590.28 : x
  2. Step 2: Convert to fraction form
    87,316.12/120,496.26 = 49,590.28/x
  3. Step 3: Cross multiply
    87,316.12x = 120,496.26 × 49,590.28
  4. Step 4: Simplify right side
    87,316.12x = 5,975,443,272.35
  5. Step 5: Solve for x
    x = 5,975,443,272.35/87,316.12
  6. Step 6: Final answer
    x = 68,434.59

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1.5x scale

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.