Home / 74,191.72-111,292.70-29,818.51

Finding the Fourth Proportional to 74,191.72, 111,292.70 and 29,818.51

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Solution

The fourth proportional to 74,191.72, 111,292.70 and 29,818.51 is: 44,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,191.72 : 111,292.70 = 29,818.51 : x
  2. Step 2: Convert to fraction form
    74,191.72/111,292.70 = 29,818.51/x
  3. Step 3: Cross multiply
    74,191.72x = 111,292.70 × 29,818.51
  4. Step 4: Simplify right side
    74,191.72x = 3,318,582,487.88
  5. Step 5: Solve for x
    x = 3,318,582,487.88/74,191.72
  6. Step 6: Final answer
    x = 44,729.82

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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.