Home / 84,203.12-116,002.92-58,663.29

Finding the Fourth Proportional to 84,203.12, 116,002.92 and 58,663.29

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Solution

The fourth proportional to 84,203.12, 116,002.92 and 58,663.29 is: 80,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,203.12 : 116,002.92 = 58,663.29 : x
  2. Step 2: Convert to fraction form
    84,203.12/116,002.92 = 58,663.29/x
  3. Step 3: Cross multiply
    84,203.12x = 116,002.92 × 58,663.29
  4. Step 4: Simplify right side
    84,203.12x = 6,805,112,856.79
  5. Step 5: Solve for x
    x = 6,805,112,856.79/84,203.12
  6. Step 6: Final answer
    x = 80,817.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.