Home / 87,848.28-121,228.40-49,086.42

Finding the Fourth Proportional to 87,848.28, 121,228.40 and 49,086.42

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Solution

The fourth proportional to 87,848.28, 121,228.40 and 49,086.42 is: 67,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,848.28 : 121,228.40 = 49,086.42 : x
  2. Step 2: Convert to fraction form
    87,848.28/121,228.40 = 49,086.42/x
  3. Step 3: Cross multiply
    87,848.28x = 121,228.40 × 49,086.42
  4. Step 4: Simplify right side
    87,848.28x = 5,950,668,158.33
  5. Step 5: Solve for x
    x = 5,950,668,158.33/87,848.28
  6. Step 6: Final answer
    x = 67,738.02

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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.