Home / 49,666.24-74,552.40-20,103.40

Finding the Fourth Proportional to 49,666.24, 74,552.40 and 20,103.40

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Solution

The fourth proportional to 49,666.24, 74,552.40 and 20,103.40 is: 30,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,666.24 : 74,552.40 = 20,103.40 : x
  2. Step 2: Convert to fraction form
    49,666.24/74,552.40 = 20,103.40/x
  3. Step 3: Cross multiply
    49,666.24x = 74,552.40 × 20,103.40
  4. Step 4: Simplify right side
    49,666.24x = 1,498,756,718.16
  5. Step 5: Solve for x
    x = 1,498,756,718.16/49,666.24
  6. Step 6: Final answer
    x = 30,176.57

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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.