Home / 74,283.72-111,459.60-32,176.68

Finding the Fourth Proportional to 74,283.72, 111,459.60 and 32,176.68

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Solution

The fourth proportional to 74,283.72, 111,459.60 and 32,176.68 is: 48,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.72 : 111,459.60 = 32,176.68 : x
  2. Step 2: Convert to fraction form
    74,283.72/111,459.60 = 32,176.68/x
  3. Step 3: Cross multiply
    74,283.72x = 111,459.60 × 32,176.68
  4. Step 4: Simplify right side
    74,283.72x = 3,586,399,882.13
  5. Step 5: Solve for x
    x = 3,586,399,882.13/74,283.72
  6. Step 6: Final answer
    x = 48,279.76

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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.