Home / 88,631.28-122,330.20-50,926.32

Finding the Fourth Proportional to 88,631.28, 122,330.20 and 50,926.32

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Solution

The fourth proportional to 88,631.28, 122,330.20 and 50,926.32 is: 70,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,631.28 : 122,330.20 = 50,926.32 : x
  2. Step 2: Convert to fraction form
    88,631.28/122,330.20 = 50,926.32/x
  3. Step 3: Cross multiply
    88,631.28x = 122,330.20 × 50,926.32
  4. Step 4: Simplify right side
    88,631.28x = 6,229,826,910.86
  5. Step 5: Solve for x
    x = 6,229,826,910.86/88,631.28
  6. Step 6: Final answer
    x = 70,289.26

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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.