Home / 62,081.28-93,083.04-28,780.56

Finding the Fourth Proportional to 62,081.28, 93,083.04 and 28,780.56

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Solution

The fourth proportional to 62,081.28, 93,083.04 and 28,780.56 is: 43,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,081.28 : 93,083.04 = 28,780.56 : x
  2. Step 2: Convert to fraction form
    62,081.28/93,083.04 = 28,780.56/x
  3. Step 3: Cross multiply
    62,081.28x = 93,083.04 × 28,780.56
  4. Step 4: Simplify right side
    62,081.28x = 2,678,982,017.70
  5. Step 5: Solve for x
    x = 2,678,982,017.70/62,081.28
  6. Step 6: Final answer
    x = 43,152.82

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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.