Home / 88,378.40-121,963.66-48,093.86

Finding the Fourth Proportional to 88,378.40, 121,963.66 and 48,093.86

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Solution

The fourth proportional to 88,378.40, 121,963.66 and 48,093.86 is: 66,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,378.40 : 121,963.66 = 48,093.86 : x
  2. Step 2: Convert to fraction form
    88,378.40/121,963.66 = 48,093.86/x
  3. Step 3: Cross multiply
    88,378.40x = 121,963.66 × 48,093.86
  4. Step 4: Simplify right side
    88,378.40x = 5,865,703,189.13
  5. Step 5: Solve for x
    x = 5,865,703,189.13/88,378.40
  6. Step 6: Final answer
    x = 66,370.33

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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.