Home / 74,191.29-111,292.07-29,818.08

Finding the Fourth Proportional to 74,191.29, 111,292.07 and 29,818.08

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Solution

The fourth proportional to 74,191.29, 111,292.07 and 29,818.08 is: 44,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,191.29 : 111,292.07 = 29,818.08 : x
  2. Step 2: Convert to fraction form
    74,191.29/111,292.07 = 29,818.08/x
  3. Step 3: Cross multiply
    74,191.29x = 111,292.07 × 29,818.08
  4. Step 4: Simplify right side
    74,191.29x = 3,318,515,141.07
  5. Step 5: Solve for x
    x = 3,318,515,141.07/74,191.29
  6. Step 6: Final answer
    x = 44,729.18

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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.