Home / 88,331.87-121,886.94-59,713.79

Finding the Fourth Proportional to 88,331.87, 121,886.94 and 59,713.79

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Solution

The fourth proportional to 88,331.87, 121,886.94 and 59,713.79 is: 82,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331.87 : 121,886.94 = 59,713.79 : x
  2. Step 2: Convert to fraction form
    88,331.87/121,886.94 = 59,713.79/x
  3. Step 3: Cross multiply
    88,331.87x = 121,886.94 × 59,713.79
  4. Step 4: Simplify right side
    88,331.87x = 7,278,330,529.47
  5. Step 5: Solve for x
    x = 7,278,330,529.47/88,331.87
  6. Step 6: Final answer
    x = 82,397.56

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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.