Home / 87,846.28-121,225.64-49,084.42

Finding the Fourth Proportional to 87,846.28, 121,225.64 and 49,084.42

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Solution

The fourth proportional to 87,846.28, 121,225.64 and 49,084.42 is: 67,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,846.28 : 121,225.64 = 49,084.42 : x
  2. Step 2: Convert to fraction form
    87,846.28/121,225.64 = 49,084.42/x
  3. Step 3: Cross multiply
    87,846.28x = 121,225.64 × 49,084.42
  4. Step 4: Simplify right side
    87,846.28x = 5,950,290,228.53
  5. Step 5: Solve for x
    x = 5,950,290,228.53/87,846.28
  6. Step 6: Final answer
    x = 67,735.26

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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.