Home / 74,247.48-111,381.30-21,656.52

Finding the Fourth Proportional to 74,247.48, 111,381.30 and 21,656.52

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Solution

The fourth proportional to 74,247.48, 111,381.30 and 21,656.52 is: 32,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.48 : 111,381.30 = 21,656.52 : x
  2. Step 2: Convert to fraction form
    74,247.48/111,381.30 = 21,656.52/x
  3. Step 3: Cross multiply
    74,247.48x = 111,381.30 × 21,656.52
  4. Step 4: Simplify right side
    74,247.48x = 2,412,131,351.08
  5. Step 5: Solve for x
    x = 2,412,131,351.08/74,247.48
  6. Step 6: Final answer
    x = 32,487.72

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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.