Home / 87,724.42-121,055.06-49,482.88

Finding the Fourth Proportional to 87,724.42, 121,055.06 and 49,482.88

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Solution

The fourth proportional to 87,724.42, 121,055.06 and 49,482.88 is: 68,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,724.42 : 121,055.06 = 49,482.88 : x
  2. Step 2: Convert to fraction form
    87,724.42/121,055.06 = 49,482.88/x
  3. Step 3: Cross multiply
    87,724.42x = 121,055.06 × 49,482.88
  4. Step 4: Simplify right side
    87,724.42x = 5,990,153,007.37
  5. Step 5: Solve for x
    x = 5,990,153,007.37/87,724.42
  6. Step 6: Final answer
    x = 68,283.76

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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.