Home / 81,540.86-122,346.50-44,127.33

Finding the Fourth Proportional to 81,540.86, 122,346.50 and 44,127.33

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Solution

The fourth proportional to 81,540.86, 122,346.50 and 44,127.33 is: 66,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,540.86 : 122,346.50 = 44,127.33 : x
  2. Step 2: Convert to fraction form
    81,540.86/122,346.50 = 44,127.33/x
  3. Step 3: Cross multiply
    81,540.86x = 122,346.50 × 44,127.33
  4. Step 4: Simplify right side
    81,540.86x = 5,398,824,159.21
  5. Step 5: Solve for x
    x = 5,398,824,159.21/81,540.86
  6. Step 6: Final answer
    x = 66,210.05

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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.