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Finding the Fourth Proportional to 82,944, 125,038.08 and 81,699.84

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Solution

The fourth proportional to 82,944, 125,038.08 and 81,699.84 is: 123,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944 : 125,038.08 = 81,699.84 : x
  2. Step 2: Convert to fraction form
    82,944/125,038.08 = 81,699.84/x
  3. Step 3: Cross multiply
    82,944x = 125,038.08 × 81,699.84
  4. Step 4: Simplify right side
    82,944x = 10,215,591,129.91
  5. Step 5: Solve for x
    x = 10,215,591,129.91/82,944
  6. Step 6: Final answer
    x = 123,162.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.