Home / 78,334.28-108,089.89-44,793.80

Finding the Fourth Proportional to 78,334.28, 108,089.89 and 44,793.80

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Solution

The fourth proportional to 78,334.28, 108,089.89 and 44,793.80 is: 61,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,334.28 : 108,089.89 = 44,793.80 : x
  2. Step 2: Convert to fraction form
    78,334.28/108,089.89 = 44,793.80/x
  3. Step 3: Cross multiply
    78,334.28x = 108,089.89 × 44,793.80
  4. Step 4: Simplify right side
    78,334.28x = 4,841,756,374.23
  5. Step 5: Solve for x
    x = 4,841,756,374.23/78,334.28
  6. Step 6: Final answer
    x = 61,808.91

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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.