Home / 88,273.33-121,815.77-47,988.11

Finding the Fourth Proportional to 88,273.33, 121,815.77 and 47,988.11

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Solution

The fourth proportional to 88,273.33, 121,815.77 and 47,988.11 is: 66,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.33 : 121,815.77 = 47,988.11 : x
  2. Step 2: Convert to fraction form
    88,273.33/121,815.77 = 47,988.11/x
  3. Step 3: Cross multiply
    88,273.33x = 121,815.77 × 47,988.11
  4. Step 4: Simplify right side
    88,273.33x = 5,845,708,635.09
  5. Step 5: Solve for x
    x = 5,845,708,635.09/88,273.33
  6. Step 6: Final answer
    x = 66,222.82

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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.