Home / 91,000.72-136,436.42-34,793.44

Finding the Fourth Proportional to 91,000.72, 136,436.42 and 34,793.44

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Solution

The fourth proportional to 91,000.72, 136,436.42 and 34,793.44 is: 52,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,000.72 : 136,436.42 = 34,793.44 : x
  2. Step 2: Convert to fraction form
    91,000.72/136,436.42 = 34,793.44/x
  3. Step 3: Cross multiply
    91,000.72x = 136,436.42 × 34,793.44
  4. Step 4: Simplify right side
    91,000.72x = 4,747,092,393.08
  5. Step 5: Solve for x
    x = 4,747,092,393.08/91,000.72
  6. Step 6: Final answer
    x = 52,165.44

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1.5x scale

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.