Home / 87,092.69-120,213.47-56,882.60

Finding the Fourth Proportional to 87,092.69, 120,213.47 and 56,882.60

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Solution

The fourth proportional to 87,092.69, 120,213.47 and 56,882.60 is: 78,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,092.69 : 120,213.47 = 56,882.60 : x
  2. Step 2: Convert to fraction form
    87,092.69/120,213.47 = 56,882.60/x
  3. Step 3: Cross multiply
    87,092.69x = 120,213.47 × 56,882.60
  4. Step 4: Simplify right side
    87,092.69x = 6,838,053,843.14
  5. Step 5: Solve for x
    x = 6,838,053,843.14/87,092.69
  6. Step 6: Final answer
    x = 78,514.67

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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.