Home / 87,077.22-120,158.88-48,316.02

Finding the Fourth Proportional to 87,077.22, 120,158.88 and 48,316.02

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Solution

The fourth proportional to 87,077.22, 120,158.88 and 48,316.02 is: 66,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,077.22 : 120,158.88 = 48,316.02 : x
  2. Step 2: Convert to fraction form
    87,077.22/120,158.88 = 48,316.02/x
  3. Step 3: Cross multiply
    87,077.22x = 120,158.88 × 48,316.02
  4. Step 4: Simplify right side
    87,077.22x = 5,805,598,849.26
  5. Step 5: Solve for x
    x = 5,805,598,849.26/87,077.22
  6. Step 6: Final answer
    x = 66,671.84

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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.