Home / 89,627.76-134,445.34-26,447.88

Finding the Fourth Proportional to 89,627.76, 134,445.34 and 26,447.88

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Solution

The fourth proportional to 89,627.76, 134,445.34 and 26,447.88 is: 39,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,627.76 : 134,445.34 = 26,447.88 : x
  2. Step 2: Convert to fraction form
    89,627.76/134,445.34 = 26,447.88/x
  3. Step 3: Cross multiply
    89,627.76x = 134,445.34 × 26,447.88
  4. Step 4: Simplify right side
    89,627.76x = 3,555,793,472.96
  5. Step 5: Solve for x
    x = 3,555,793,472.96/89,627.76
  6. Step 6: Final answer
    x = 39,672.90

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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.