Home / 69,166.20-95,448.10-38,951.40

Finding the Fourth Proportional to 69,166.20, 95,448.10 and 38,951.40

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Solution

The fourth proportional to 69,166.20, 95,448.10 and 38,951.40 is: 53,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,166.20 : 95,448.10 = 38,951.40 : x
  2. Step 2: Convert to fraction form
    69,166.20/95,448.10 = 38,951.40/x
  3. Step 3: Cross multiply
    69,166.20x = 95,448.10 × 38,951.40
  4. Step 4: Simplify right side
    69,166.20x = 3,717,837,122.34
  5. Step 5: Solve for x
    x = 3,717,837,122.34/69,166.20
  6. Step 6: Final answer
    x = 53,752.22

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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.