Home / 52,743.60-79,115.40-49,287.60

Finding the Fourth Proportional to 52,743.60, 79,115.40 and 49,287.60

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Solution

The fourth proportional to 52,743.60, 79,115.40 and 49,287.60 is: 73,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,743.60 : 79,115.40 = 49,287.60 : x
  2. Step 2: Convert to fraction form
    52,743.60/79,115.40 = 49,287.60/x
  3. Step 3: Cross multiply
    52,743.60x = 79,115.40 × 49,287.60
  4. Step 4: Simplify right side
    52,743.60x = 3,899,408,189.04
  5. Step 5: Solve for x
    x = 3,899,408,189.04/52,743.60
  6. Step 6: Final answer
    x = 73,931.40

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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.