Home / 81,856.83-122,832.33-34,468.19

Finding the Fourth Proportional to 81,856.83, 122,832.33 and 34,468.19

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Solution

The fourth proportional to 81,856.83, 122,832.33 and 34,468.19 is: 51,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,856.83 : 122,832.33 = 34,468.19 : x
  2. Step 2: Convert to fraction form
    81,856.83/122,832.33 = 34,468.19/x
  3. Step 3: Cross multiply
    81,856.83x = 122,832.33 × 34,468.19
  4. Step 4: Simplify right side
    81,856.83x = 4,233,808,088.58
  5. Step 5: Solve for x
    x = 4,233,808,088.58/81,856.83
  6. Step 6: Final answer
    x = 51,722.11

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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.