Home / 87,846.55-121,228.28-47,560.32

Finding the Fourth Proportional to 87,846.55, 121,228.28 and 47,560.32

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Solution

The fourth proportional to 87,846.55, 121,228.28 and 47,560.32 is: 65,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,846.55 : 121,228.28 = 47,560.32 : x
  2. Step 2: Convert to fraction form
    87,846.55/121,228.28 = 47,560.32/x
  3. Step 3: Cross multiply
    87,846.55x = 121,228.28 × 47,560.32
  4. Step 4: Simplify right side
    87,846.55x = 5,765,655,789.85
  5. Step 5: Solve for x
    x = 5,765,655,789.85/87,846.55
  6. Step 6: Final answer
    x = 65,633.26

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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.