Home / 88,376.40-121,960.89-48,091.86

Finding the Fourth Proportional to 88,376.40, 121,960.89 and 48,091.86

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Solution

The fourth proportional to 88,376.40, 121,960.89 and 48,091.86 is: 66,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376.40 : 121,960.89 = 48,091.86 : x
  2. Step 2: Convert to fraction form
    88,376.40/121,960.89 = 48,091.86/x
  3. Step 3: Cross multiply
    88,376.40x = 121,960.89 × 48,091.86
  4. Step 4: Simplify right side
    88,376.40x = 5,865,326,047.36
  5. Step 5: Solve for x
    x = 5,865,326,047.36/88,376.40
  6. Step 6: Final answer
    x = 66,367.56

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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.