Home / 88,244.47-121,778.31-47,958.23

Finding the Fourth Proportional to 88,244.47, 121,778.31 and 47,958.23

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Solution

The fourth proportional to 88,244.47, 121,778.31 and 47,958.23 is: 66,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,244.47 : 121,778.31 = 47,958.23 : x
  2. Step 2: Convert to fraction form
    88,244.47/121,778.31 = 47,958.23/x
  3. Step 3: Cross multiply
    88,244.47x = 121,778.31 × 47,958.23
  4. Step 4: Simplify right side
    88,244.47x = 5,840,272,635.02
  5. Step 5: Solve for x
    x = 5,840,272,635.02/88,244.47
  6. Step 6: Final answer
    x = 66,182.88

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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.