Home / 88,377.81-121,961.61-48,091.56

Finding the Fourth Proportional to 88,377.81, 121,961.61 and 48,091.56

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Solution

The fourth proportional to 88,377.81, 121,961.61 and 48,091.56 is: 66,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,377.81 : 121,961.61 = 48,091.56 : x
  2. Step 2: Convert to fraction form
    88,377.81/121,961.61 = 48,091.56/x
  3. Step 3: Cross multiply
    88,377.81x = 121,961.61 × 48,091.56
  4. Step 4: Simplify right side
    88,377.81x = 5,865,324,085.01
  5. Step 5: Solve for x
    x = 5,865,324,085.01/88,377.81
  6. Step 6: Final answer
    x = 66,366.48

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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.