Home / 87,215.02-120,358-48,982.86

Finding the Fourth Proportional to 87,215.02, 120,358 and 48,982.86

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Solution

The fourth proportional to 87,215.02, 120,358 and 48,982.86 is: 67,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,215.02 : 120,358 = 48,982.86 : x
  2. Step 2: Convert to fraction form
    87,215.02/120,358 = 48,982.86/x
  3. Step 3: Cross multiply
    87,215.02x = 120,358 × 48,982.86
  4. Step 4: Simplify right side
    87,215.02x = 5,895,479,063.88
  5. Step 5: Solve for x
    x = 5,895,479,063.88/87,215.02
  6. Step 6: Final answer
    x = 67,597.06

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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.