Home / 81,746.32-122,617.05-22,585.54

Finding the Fourth Proportional to 81,746.32, 122,617.05 and 22,585.54

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Solution

The fourth proportional to 81,746.32, 122,617.05 and 22,585.54 is: 33,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,746.32 : 122,617.05 = 22,585.54 : x
  2. Step 2: Convert to fraction form
    81,746.32/122,617.05 = 22,585.54/x
  3. Step 3: Cross multiply
    81,746.32x = 122,617.05 × 22,585.54
  4. Step 4: Simplify right side
    81,746.32x = 2,769,372,287.46
  5. Step 5: Solve for x
    x = 2,769,372,287.46/81,746.32
  6. Step 6: Final answer
    x = 33,877.64

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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.