Home / 90,974.37-136,482.33-27,803.49

Finding the Fourth Proportional to 90,974.37, 136,482.33 and 27,803.49

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Solution

The fourth proportional to 90,974.37, 136,482.33 and 27,803.49 is: 41,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,974.37 : 136,482.33 = 27,803.49 : x
  2. Step 2: Convert to fraction form
    90,974.37/136,482.33 = 27,803.49/x
  3. Step 3: Cross multiply
    90,974.37x = 136,482.33 × 27,803.49
  4. Step 4: Simplify right side
    90,974.37x = 3,794,684,689.79
  5. Step 5: Solve for x
    x = 3,794,684,689.79/90,974.37
  6. Step 6: Final answer
    x = 41,711.58

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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.