Home / 78,732.23-118,062.79-22,559.49

Finding the Fourth Proportional to 78,732.23, 118,062.79 and 22,559.49

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Solution

The fourth proportional to 78,732.23, 118,062.79 and 22,559.49 is: 33,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732.23 : 118,062.79 = 22,559.49 : x
  2. Step 2: Convert to fraction form
    78,732.23/118,062.79 = 22,559.49/x
  3. Step 3: Cross multiply
    78,732.23x = 118,062.79 × 22,559.49
  4. Step 4: Simplify right side
    78,732.23x = 2,663,436,273.98
  5. Step 5: Solve for x
    x = 2,663,436,273.98/78,732.23
  6. Step 6: Final answer
    x = 33,829.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.