Home / 91,138.04-136,613.23-34,963.19

Finding the Fourth Proportional to 91,138.04, 136,613.23 and 34,963.19

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Solution

The fourth proportional to 91,138.04, 136,613.23 and 34,963.19 is: 52,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,138.04 : 136,613.23 = 34,963.19 : x
  2. Step 2: Convert to fraction form
    91,138.04/136,613.23 = 34,963.19/x
  3. Step 3: Cross multiply
    91,138.04x = 136,613.23 × 34,963.19
  4. Step 4: Simplify right side
    91,138.04x = 4,776,433,546.53
  5. Step 5: Solve for x
    x = 4,776,433,546.53/91,138.04
  6. Step 6: Final answer
    x = 52,408.78

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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.