Home / 103,691.27-155,535.06-33,570.65

Finding the Fourth Proportional to 103,691.27, 155,535.06 and 33,570.65

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Solution

The fourth proportional to 103,691.27, 155,535.06 and 33,570.65 is: 50,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.27 : 155,535.06 = 33,570.65 : x
  2. Step 2: Convert to fraction form
    103,691.27/155,535.06 = 33,570.65/x
  3. Step 3: Cross multiply
    103,691.27x = 155,535.06 × 33,570.65
  4. Step 4: Simplify right side
    103,691.27x = 5,221,413,061.99
  5. Step 5: Solve for x
    x = 5,221,413,061.99/103,691.27
  6. Step 6: Final answer
    x = 50,355.38

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1.5x scale

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.