Home / 52,746.62-79,119.68-21,581.87

Finding the Fourth Proportional to 52,746.62, 79,119.68 and 21,581.87

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Solution

The fourth proportional to 52,746.62, 79,119.68 and 21,581.87 is: 32,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.62 : 79,119.68 = 21,581.87 : x
  2. Step 2: Convert to fraction form
    52,746.62/79,119.68 = 21,581.87/x
  3. Step 3: Cross multiply
    52,746.62x = 79,119.68 × 21,581.87
  4. Step 4: Simplify right side
    52,746.62x = 1,707,550,144.69
  5. Step 5: Solve for x
    x = 1,707,550,144.69/52,746.62
  6. Step 6: Final answer
    x = 32,372.70

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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.