Home / 87,506.56-120,759.42-49,266.76

Finding the Fourth Proportional to 87,506.56, 120,759.42 and 49,266.76

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Solution

The fourth proportional to 87,506.56, 120,759.42 and 49,266.76 is: 67,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506.56 : 120,759.42 = 49,266.76 : x
  2. Step 2: Convert to fraction form
    87,506.56/120,759.42 = 49,266.76/x
  3. Step 3: Cross multiply
    87,506.56x = 120,759.42 × 49,266.76
  4. Step 4: Simplify right side
    87,506.56x = 5,949,425,362.88
  5. Step 5: Solve for x
    x = 5,949,425,362.88/87,506.56
  6. Step 6: Final answer
    x = 67,988.34

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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.