Home / 88,247.79-121,768.25-50,514.75

Finding the Fourth Proportional to 88,247.79, 121,768.25 and 50,514.75

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Solution

The fourth proportional to 88,247.79, 121,768.25 and 50,514.75 is: 69,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.79 : 121,768.25 = 50,514.75 : x
  2. Step 2: Convert to fraction form
    88,247.79/121,768.25 = 50,514.75/x
  3. Step 3: Cross multiply
    88,247.79x = 121,768.25 × 50,514.75
  4. Step 4: Simplify right side
    88,247.79x = 6,151,092,454.11
  5. Step 5: Solve for x
    x = 6,151,092,454.11/88,247.79
  6. Step 6: Final answer
    x = 69,702.51

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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.