Home / 88,629.66-122,309.31-48,344.30

Finding the Fourth Proportional to 88,629.66, 122,309.31 and 48,344.30

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Solution

The fourth proportional to 88,629.66, 122,309.31 and 48,344.30 is: 66,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.66 : 122,309.31 = 48,344.30 : x
  2. Step 2: Convert to fraction form
    88,629.66/122,309.31 = 48,344.30/x
  3. Step 3: Cross multiply
    88,629.66x = 122,309.31 × 48,344.30
  4. Step 4: Simplify right side
    88,629.66x = 5,912,957,363.89
  5. Step 5: Solve for x
    x = 5,912,957,363.89/88,629.66
  6. Step 6: Final answer
    x = 66,715.33

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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.