Home / 88,376.66-121,919.46-52,546.28

Finding the Fourth Proportional to 88,376.66, 121,919.46 and 52,546.28

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Solution

The fourth proportional to 88,376.66, 121,919.46 and 52,546.28 is: 72,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376.66 : 121,919.46 = 52,546.28 : x
  2. Step 2: Convert to fraction form
    88,376.66/121,919.46 = 52,546.28/x
  3. Step 3: Cross multiply
    88,376.66x = 121,919.46 × 52,546.28
  4. Step 4: Simplify right side
    88,376.66x = 6,406,414,082.61
  5. Step 5: Solve for x
    x = 6,406,414,082.61/88,376.66
  6. Step 6: Final answer
    x = 72,489.89

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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.