Home / 88,385.48-121,974.19-48,101.47

Finding the Fourth Proportional to 88,385.48, 121,974.19 and 48,101.47

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Solution

The fourth proportional to 88,385.48, 121,974.19 and 48,101.47 is: 66,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,385.48 : 121,974.19 = 48,101.47 : x
  2. Step 2: Convert to fraction form
    88,385.48/121,974.19 = 48,101.47/x
  3. Step 3: Cross multiply
    88,385.48x = 121,974.19 × 48,101.47
  4. Step 4: Simplify right side
    88,385.48x = 5,867,137,961.85
  5. Step 5: Solve for x
    x = 5,867,137,961.85/88,385.48
  6. Step 6: Final answer
    x = 66,381.24

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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.