Home / 90,625.12-136,020.70-48,552.70

Finding the Fourth Proportional to 90,625.12, 136,020.70 and 48,552.70

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Solution

The fourth proportional to 90,625.12, 136,020.70 and 48,552.70 is: 72,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,625.12 : 136,020.70 = 48,552.70 : x
  2. Step 2: Convert to fraction form
    90,625.12/136,020.70 = 48,552.70/x
  3. Step 3: Cross multiply
    90,625.12x = 136,020.70 × 48,552.70
  4. Step 4: Simplify right side
    90,625.12x = 6,604,172,240.89
  5. Step 5: Solve for x
    x = 6,604,172,240.89/90,625.12
  6. Step 6: Final answer
    x = 72,873.53

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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.