Home / 87,576.74-120,856.86-49,851.26

Finding the Fourth Proportional to 87,576.74, 120,856.86 and 49,851.26

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Solution

The fourth proportional to 87,576.74, 120,856.86 and 49,851.26 is: 68,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,576.74 : 120,856.86 = 49,851.26 : x
  2. Step 2: Convert to fraction form
    87,576.74/120,856.86 = 49,851.26/x
  3. Step 3: Cross multiply
    87,576.74x = 120,856.86 × 49,851.26
  4. Step 4: Simplify right side
    87,576.74x = 6,024,866,750.64
  5. Step 5: Solve for x
    x = 6,024,866,750.64/87,576.74
  6. Step 6: Final answer
    x = 68,795.28

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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.