Home / 88,399.30-121,993.65-48,115.68

Finding the Fourth Proportional to 88,399.30, 121,993.65 and 48,115.68

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Solution

The fourth proportional to 88,399.30, 121,993.65 and 48,115.68 is: 66,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,399.30 : 121,993.65 = 48,115.68 : x
  2. Step 2: Convert to fraction form
    88,399.30/121,993.65 = 48,115.68/x
  3. Step 3: Cross multiply
    88,399.30x = 121,993.65 × 48,115.68
  4. Step 4: Simplify right side
    88,399.30x = 5,869,807,425.43
  5. Step 5: Solve for x
    x = 5,869,807,425.43/88,399.30
  6. Step 6: Final answer
    x = 66,401.06

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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.