Home / 52,785.43-72,823.62-30,125.68

Finding the Fourth Proportional to 52,785.43, 72,823.62 and 30,125.68

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Solution

The fourth proportional to 52,785.43, 72,823.62 and 30,125.68 is: 41,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.43 : 72,823.62 = 30,125.68 : x
  2. Step 2: Convert to fraction form
    52,785.43/72,823.62 = 30,125.68/x
  3. Step 3: Cross multiply
    52,785.43x = 72,823.62 × 30,125.68
  4. Step 4: Simplify right side
    52,785.43x = 2,193,861,003.47
  5. Step 5: Solve for x
    x = 2,193,861,003.47/52,785.43
  6. Step 6: Final answer
    x = 41,561.87

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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.