Home / 74,474.24-111,752.40-32,920.16

Finding the Fourth Proportional to 74,474.24, 111,752.40 and 32,920.16

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Solution

The fourth proportional to 74,474.24, 111,752.40 and 32,920.16 is: 49,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,474.24 : 111,752.40 = 32,920.16 : x
  2. Step 2: Convert to fraction form
    74,474.24/111,752.40 = 32,920.16/x
  3. Step 3: Cross multiply
    74,474.24x = 111,752.40 × 32,920.16
  4. Step 4: Simplify right side
    74,474.24x = 3,678,906,888.38
  5. Step 5: Solve for x
    x = 3,678,906,888.38/74,474.24
  6. Step 6: Final answer
    x = 49,398.38

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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.