Home / 88,195.52-121,729.07-54,233.23

Finding the Fourth Proportional to 88,195.52, 121,729.07 and 54,233.23

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Solution

The fourth proportional to 88,195.52, 121,729.07 and 54,233.23 is: 74,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,195.52 : 121,729.07 = 54,233.23 : x
  2. Step 2: Convert to fraction form
    88,195.52/121,729.07 = 54,233.23/x
  3. Step 3: Cross multiply
    88,195.52x = 121,729.07 × 54,233.23
  4. Step 4: Simplify right side
    88,195.52x = 6,601,760,651.00
  5. Step 5: Solve for x
    x = 6,601,760,651.00/88,195.52
  6. Step 6: Final answer
    x = 74,853.70

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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.