Home / 78,807.28-108,749.56-44,811.04

Finding the Fourth Proportional to 78,807.28, 108,749.56 and 44,811.04

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Solution

The fourth proportional to 78,807.28, 108,749.56 and 44,811.04 is: 61,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,807.28 : 108,749.56 = 44,811.04 : x
  2. Step 2: Convert to fraction form
    78,807.28/108,749.56 = 44,811.04/x
  3. Step 3: Cross multiply
    78,807.28x = 108,749.56 × 44,811.04
  4. Step 4: Simplify right side
    78,807.28x = 4,873,180,883.14
  5. Step 5: Solve for x
    x = 4,873,180,883.14/78,807.28
  6. Step 6: Final answer
    x = 61,836.68

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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.