Home / 90,626.12-136,022.20-48,553.70

Finding the Fourth Proportional to 90,626.12, 136,022.20 and 48,553.70

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Solution

The fourth proportional to 90,626.12, 136,022.20 and 48,553.70 is: 72,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,626.12 : 136,022.20 = 48,553.70 : x
  2. Step 2: Convert to fraction form
    90,626.12/136,022.20 = 48,553.70/x
  3. Step 3: Cross multiply
    90,626.12x = 136,022.20 × 48,553.70
  4. Step 4: Simplify right side
    90,626.12x = 6,604,381,092.14
  5. Step 5: Solve for x
    x = 6,604,381,092.14/90,626.12
  6. Step 6: Final answer
    x = 72,875.03

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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.