Home / 90,083.32-124,311.06-49,795

Finding the Fourth Proportional to 90,083.32, 124,311.06 and 49,795

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Solution

The fourth proportional to 90,083.32, 124,311.06 and 49,795 is: 68,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,083.32 : 124,311.06 = 49,795 : x
  2. Step 2: Convert to fraction form
    90,083.32/124,311.06 = 49,795/x
  3. Step 3: Cross multiply
    90,083.32x = 124,311.06 × 49,795
  4. Step 4: Simplify right side
    90,083.32x = 6,190,069,232.70
  5. Step 5: Solve for x
    x = 6,190,069,232.70/90,083.32
  6. Step 6: Final answer
    x = 68,714.93

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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.