Home / 53,747.96-74,002.78-48,765.70

Finding the Fourth Proportional to 53,747.96, 74,002.78 and 48,765.70

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Solution

The fourth proportional to 53,747.96, 74,002.78 and 48,765.70 is: 67,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.96 : 74,002.78 = 48,765.70 : x
  2. Step 2: Convert to fraction form
    53,747.96/74,002.78 = 48,765.70/x
  3. Step 3: Cross multiply
    53,747.96x = 74,002.78 × 48,765.70
  4. Step 4: Simplify right side
    53,747.96x = 3,608,797,368.65
  5. Step 5: Solve for x
    x = 3,608,797,368.65/53,747.96
  6. Step 6: Final answer
    x = 67,142.96

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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.