Home / 81,493.23-122,210.69-44,080.95

Finding the Fourth Proportional to 81,493.23, 122,210.69 and 44,080.95

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Solution

The fourth proportional to 81,493.23, 122,210.69 and 44,080.95 is: 66,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,493.23 : 122,210.69 = 44,080.95 : x
  2. Step 2: Convert to fraction form
    81,493.23/122,210.69 = 44,080.95/x
  3. Step 3: Cross multiply
    81,493.23x = 122,210.69 × 44,080.95
  4. Step 4: Simplify right side
    81,493.23x = 5,387,163,094.95
  5. Step 5: Solve for x
    x = 5,387,163,094.95/81,493.23
  6. Step 6: Final answer
    x = 66,105.65

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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.