Home / 87,236.03-120,385.75-48,995.64

Finding the Fourth Proportional to 87,236.03, 120,385.75 and 48,995.64

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Solution

The fourth proportional to 87,236.03, 120,385.75 and 48,995.64 is: 67,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,236.03 : 120,385.75 = 48,995.64 : x
  2. Step 2: Convert to fraction form
    87,236.03/120,385.75 = 48,995.64/x
  3. Step 3: Cross multiply
    87,236.03x = 120,385.75 × 48,995.64
  4. Step 4: Simplify right side
    87,236.03x = 5,898,376,868.13
  5. Step 5: Solve for x
    x = 5,898,376,868.13/87,236.03
  6. Step 6: Final answer
    x = 67,614.00

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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.