Home / 62,689.20-94,036.92-20,565.54

Finding the Fourth Proportional to 62,689.20, 94,036.92 and 20,565.54

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Solution

The fourth proportional to 62,689.20, 94,036.92 and 20,565.54 is: 30,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,689.20 : 94,036.92 = 20,565.54 : x
  2. Step 2: Convert to fraction form
    62,689.20/94,036.92 = 20,565.54/x
  3. Step 3: Cross multiply
    62,689.20x = 94,036.92 × 20,565.54
  4. Step 4: Simplify right side
    62,689.20x = 1,933,920,039.74
  5. Step 5: Solve for x
    x = 1,933,920,039.74/62,689.20
  6. Step 6: Final answer
    x = 30,849.33

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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.