Home / 87,070.42-120,164.34-48,829.24

Finding the Fourth Proportional to 87,070.42, 120,164.34 and 48,829.24

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Solution

The fourth proportional to 87,070.42, 120,164.34 and 48,829.24 is: 67,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,070.42 : 120,164.34 = 48,829.24 : x
  2. Step 2: Convert to fraction form
    87,070.42/120,164.34 = 48,829.24/x
  3. Step 3: Cross multiply
    87,070.42x = 120,164.34 × 48,829.24
  4. Step 4: Simplify right side
    87,070.42x = 5,867,533,397.30
  5. Step 5: Solve for x
    x = 5,867,533,397.30/87,070.42
  6. Step 6: Final answer
    x = 67,388.37

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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.