Home / 88,014.97-121,527.18-54,069.97

Finding the Fourth Proportional to 88,014.97, 121,527.18 and 54,069.97

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Solution

The fourth proportional to 88,014.97, 121,527.18 and 54,069.97 is: 74,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014.97 : 121,527.18 = 54,069.97 : x
  2. Step 2: Convert to fraction form
    88,014.97/121,527.18 = 54,069.97/x
  3. Step 3: Cross multiply
    88,014.97x = 121,527.18 × 54,069.97
  4. Step 4: Simplify right side
    88,014.97x = 6,570,970,976.78
  5. Step 5: Solve for x
    x = 6,570,970,976.78/88,014.97
  6. Step 6: Final answer
    x = 74,657.42

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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.