Home / 88,213.56-121,734.92-47,926.96

Finding the Fourth Proportional to 88,213.56, 121,734.92 and 47,926.96

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Solution

The fourth proportional to 88,213.56, 121,734.92 and 47,926.96 is: 66,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.56 : 121,734.92 = 47,926.96 : x
  2. Step 2: Convert to fraction form
    88,213.56/121,734.92 = 47,926.96/x
  3. Step 3: Cross multiply
    88,213.56x = 121,734.92 × 47,926.96
  4. Step 4: Simplify right side
    88,213.56x = 5,834,384,641.44
  5. Step 5: Solve for x
    x = 5,834,384,641.44/88,213.56
  6. Step 6: Final answer
    x = 66,139.32

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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.