Home / 69,145.65-95,426.10-38,934.27

Finding the Fourth Proportional to 69,145.65, 95,426.10 and 38,934.27

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Solution

The fourth proportional to 69,145.65, 95,426.10 and 38,934.27 is: 53,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,145.65 : 95,426.10 = 38,934.27 : x
  2. Step 2: Convert to fraction form
    69,145.65/95,426.10 = 38,934.27/x
  3. Step 3: Cross multiply
    69,145.65x = 95,426.10 × 38,934.27
  4. Step 4: Simplify right side
    69,145.65x = 3,715,345,542.45
  5. Step 5: Solve for x
    x = 3,715,345,542.45/69,145.65
  6. Step 6: Final answer
    x = 53,732.17

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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.