Home / 84,098.42-116,073.37-81,432.10

Finding the Fourth Proportional to 84,098.42, 116,073.37 and 81,432.10

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Solution

The fourth proportional to 84,098.42, 116,073.37 and 81,432.10 is: 112,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098.42 : 116,073.37 = 81,432.10 : x
  2. Step 2: Convert to fraction form
    84,098.42/116,073.37 = 81,432.10/x
  3. Step 3: Cross multiply
    84,098.42x = 116,073.37 × 81,432.10
  4. Step 4: Simplify right side
    84,098.42x = 9,452,098,520.06
  5. Step 5: Solve for x
    x = 9,452,098,520.06/84,098.42
  6. Step 6: Final answer
    x = 112,393.30

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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.