Home / 49,765.59-74,647.92-20,176.39

Finding the Fourth Proportional to 49,765.59, 74,647.92 and 20,176.39

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Solution

The fourth proportional to 49,765.59, 74,647.92 and 20,176.39 is: 30,264.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,765.59 : 74,647.92 = 20,176.39 : x
  2. Step 2: Convert to fraction form
    49,765.59/74,647.92 = 20,176.39/x
  3. Step 3: Cross multiply
    49,765.59x = 74,647.92 × 20,176.39
  4. Step 4: Simplify right side
    49,765.59x = 1,506,125,309.55
  5. Step 5: Solve for x
    x = 1,506,125,309.55/49,765.59
  6. Step 6: Final answer
    x = 30,264.39

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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.