Home / 88,045.76-121,473.60-50,293.28

Finding the Fourth Proportional to 88,045.76, 121,473.60 and 50,293.28

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Solution

The fourth proportional to 88,045.76, 121,473.60 and 50,293.28 is: 69,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,045.76 : 121,473.60 = 50,293.28 : x
  2. Step 2: Convert to fraction form
    88,045.76/121,473.60 = 50,293.28/x
  3. Step 3: Cross multiply
    88,045.76x = 121,473.60 × 50,293.28
  4. Step 4: Simplify right side
    88,045.76x = 6,109,305,777.41
  5. Step 5: Solve for x
    x = 6,109,305,777.41/88,045.76
  6. Step 6: Final answer
    x = 69,387.85

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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.