Home / 74,271.57-111,217.20-40,954.69

Finding the Fourth Proportional to 74,271.57, 111,217.20 and 40,954.69

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Solution

The fourth proportional to 74,271.57, 111,217.20 and 40,954.69 is: 61,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,271.57 : 111,217.20 = 40,954.69 : x
  2. Step 2: Convert to fraction form
    74,271.57/111,217.20 = 40,954.69/x
  3. Step 3: Cross multiply
    74,271.57x = 111,217.20 × 40,954.69
  4. Step 4: Simplify right side
    74,271.57x = 4,554,865,948.67
  5. Step 5: Solve for x
    x = 4,554,865,948.67/74,271.57
  6. Step 6: Final answer
    x = 61,327.18

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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.