Home / 79,432.41-109,616.58-43,622.73

Finding the Fourth Proportional to 79,432.41, 109,616.58 and 43,622.73

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Solution

The fourth proportional to 79,432.41, 109,616.58 and 43,622.73 is: 60,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432.41 : 109,616.58 = 43,622.73 : x
  2. Step 2: Convert to fraction form
    79,432.41/109,616.58 = 43,622.73/x
  3. Step 3: Cross multiply
    79,432.41x = 109,616.58 × 43,622.73
  4. Step 4: Simplify right side
    79,432.41x = 4,781,774,472.86
  5. Step 5: Solve for x
    x = 4,781,774,472.86/79,432.41
  6. Step 6: Final answer
    x = 60,199.29

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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.