Home / 80,944.08-121,432.44-34,196.88

Finding the Fourth Proportional to 80,944.08, 121,432.44 and 34,196.88

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Solution

The fourth proportional to 80,944.08, 121,432.44 and 34,196.88 is: 51,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,944.08 : 121,432.44 = 34,196.88 : x
  2. Step 2: Convert to fraction form
    80,944.08/121,432.44 = 34,196.88/x
  3. Step 3: Cross multiply
    80,944.08x = 121,432.44 × 34,196.88
  4. Step 4: Simplify right side
    80,944.08x = 4,152,610,578.79
  5. Step 5: Solve for x
    x = 4,152,610,578.79/80,944.08
  6. Step 6: Final answer
    x = 51,302.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.