Home / 88,093.28-121,669.76-58,013.12

Finding the Fourth Proportional to 88,093.28, 121,669.76 and 58,013.12

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Solution

The fourth proportional to 88,093.28, 121,669.76 and 58,013.12 is: 80,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,093.28 : 121,669.76 = 58,013.12 : x
  2. Step 2: Convert to fraction form
    88,093.28/121,669.76 = 58,013.12/x
  3. Step 3: Cross multiply
    88,093.28x = 121,669.76 × 58,013.12
  4. Step 4: Simplify right side
    88,093.28x = 7,058,442,387.25
  5. Step 5: Solve for x
    x = 7,058,442,387.25/88,093.28
  6. Step 6: Final answer
    x = 80,124.64

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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.