Home / 87,648.75-120,955.28-49,944.87

Finding the Fourth Proportional to 87,648.75, 120,955.28 and 49,944.87

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Solution

The fourth proportional to 87,648.75, 120,955.28 and 49,944.87 is: 68,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,648.75 : 120,955.28 = 49,944.87 : x
  2. Step 2: Convert to fraction form
    87,648.75/120,955.28 = 49,944.87/x
  3. Step 3: Cross multiply
    87,648.75x = 120,955.28 × 49,944.87
  4. Step 4: Simplify right side
    87,648.75x = 6,041,095,485.69
  5. Step 5: Solve for x
    x = 6,041,095,485.69/87,648.75
  6. Step 6: Final answer
    x = 68,923.92

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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.