Home / 73,023.38-100,772.27-39,489.38

Finding the Fourth Proportional to 73,023.38, 100,772.27 and 39,489.38

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Solution

The fourth proportional to 73,023.38, 100,772.27 and 39,489.38 is: 54,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,023.38 : 100,772.27 = 39,489.38 : x
  2. Step 2: Convert to fraction form
    73,023.38/100,772.27 = 39,489.38/x
  3. Step 3: Cross multiply
    73,023.38x = 100,772.27 × 39,489.38
  4. Step 4: Simplify right side
    73,023.38x = 3,979,434,463.49
  5. Step 5: Solve for x
    x = 3,979,434,463.49/73,023.38
  6. Step 6: Final answer
    x = 54,495.35

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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.