Home / 90,026.82-124,236.50-49,740.59

Finding the Fourth Proportional to 90,026.82, 124,236.50 and 49,740.59

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Solution

The fourth proportional to 90,026.82, 124,236.50 and 49,740.59 is: 68,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,026.82 : 124,236.50 = 49,740.59 : x
  2. Step 2: Convert to fraction form
    90,026.82/124,236.50 = 49,740.59/x
  3. Step 3: Cross multiply
    90,026.82x = 124,236.50 × 49,740.59
  4. Step 4: Simplify right side
    90,026.82x = 6,179,595,939.65
  5. Step 5: Solve for x
    x = 6,179,595,939.65/90,026.82
  6. Step 6: Final answer
    x = 68,641.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.