Home / 69,920.20-96,489.04-38,089.08

Finding the Fourth Proportional to 69,920.20, 96,489.04 and 38,089.08

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Solution

The fourth proportional to 69,920.20, 96,489.04 and 38,089.08 is: 52,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.20 : 96,489.04 = 38,089.08 : x
  2. Step 2: Convert to fraction form
    69,920.20/96,489.04 = 38,089.08/x
  3. Step 3: Cross multiply
    69,920.20x = 96,489.04 × 38,089.08
  4. Step 4: Simplify right side
    69,920.20x = 3,675,178,763.68
  5. Step 5: Solve for x
    x = 3,675,178,763.68/69,920.20
  6. Step 6: Final answer
    x = 52,562.47

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1.5x scale

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.