Home / 88,189.27-121,682.19-52,391.32

Finding the Fourth Proportional to 88,189.27, 121,682.19 and 52,391.32

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Solution

The fourth proportional to 88,189.27, 121,682.19 and 52,391.32 is: 72,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,189.27 : 121,682.19 = 52,391.32 : x
  2. Step 2: Convert to fraction form
    88,189.27/121,682.19 = 52,391.32/x
  3. Step 3: Cross multiply
    88,189.27x = 121,682.19 × 52,391.32
  4. Step 4: Simplify right side
    88,189.27x = 6,375,090,554.59
  5. Step 5: Solve for x
    x = 6,375,090,554.59/88,189.27
  6. Step 6: Final answer
    x = 72,288.73

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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.