Home / 88,120.14-121,605.84-47,833.86

Finding the Fourth Proportional to 88,120.14, 121,605.84 and 47,833.86

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Solution

The fourth proportional to 88,120.14, 121,605.84 and 47,833.86 is: 66,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.14 : 121,605.84 = 47,833.86 : x
  2. Step 2: Convert to fraction form
    88,120.14/121,605.84 = 47,833.86/x
  3. Step 3: Cross multiply
    88,120.14x = 121,605.84 × 47,833.86
  4. Step 4: Simplify right side
    88,120.14x = 5,816,876,725.74
  5. Step 5: Solve for x
    x = 5,816,876,725.74/88,120.14
  6. Step 6: Final answer
    x = 66,010.75

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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.