Home / 87,343.88-120,534.55-49,618.13

Finding the Fourth Proportional to 87,343.88, 120,534.55 and 49,618.13

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Solution

The fourth proportional to 87,343.88, 120,534.55 and 49,618.13 is: 68,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,343.88 : 120,534.55 = 49,618.13 : x
  2. Step 2: Convert to fraction form
    87,343.88/120,534.55 = 49,618.13/x
  3. Step 3: Cross multiply
    87,343.88x = 120,534.55 × 49,618.13
  4. Step 4: Simplify right side
    87,343.88x = 5,980,698,244.67
  5. Step 5: Solve for x
    x = 5,980,698,244.67/87,343.88
  6. Step 6: Final answer
    x = 68,473.01

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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.