Home / 88,865.38-122,620.51-50,620.07

Finding the Fourth Proportional to 88,865.38, 122,620.51 and 50,620.07

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Solution

The fourth proportional to 88,865.38, 122,620.51 and 50,620.07 is: 69,847.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,865.38 : 122,620.51 = 50,620.07 : x
  2. Step 2: Convert to fraction form
    88,865.38/122,620.51 = 50,620.07/x
  3. Step 3: Cross multiply
    88,865.38x = 122,620.51 × 50,620.07
  4. Step 4: Simplify right side
    88,865.38x = 6,207,058,642.97
  5. Step 5: Solve for x
    x = 6,207,058,642.97/88,865.38
  6. Step 6: Final answer
    x = 69,847.88

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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.