Home / 88,393.28-121,844.32-60,049.76

Finding the Fourth Proportional to 88,393.28, 121,844.32 and 60,049.76

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Solution

The fourth proportional to 88,393.28, 121,844.32 and 60,049.76 is: 82,774.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,393.28 : 121,844.32 = 60,049.76 : x
  2. Step 2: Convert to fraction form
    88,393.28/121,844.32 = 60,049.76/x
  3. Step 3: Cross multiply
    88,393.28x = 121,844.32 × 60,049.76
  4. Step 4: Simplify right side
    88,393.28x = 7,316,722,173.36
  5. Step 5: Solve for x
    x = 7,316,722,173.36/88,393.28
  6. Step 6: Final answer
    x = 82,774.64

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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.