Home / 81,170.10-112,013.89-44,871.37

Finding the Fourth Proportional to 81,170.10, 112,013.89 and 44,871.37

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Solution

The fourth proportional to 81,170.10, 112,013.89 and 44,871.37 is: 61,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,170.10 : 112,013.89 = 44,871.37 : x
  2. Step 2: Convert to fraction form
    81,170.10/112,013.89 = 44,871.37/x
  3. Step 3: Cross multiply
    81,170.10x = 112,013.89 × 44,871.37
  4. Step 4: Simplify right side
    81,170.10x = 5,026,216,311.12
  5. Step 5: Solve for x
    x = 5,026,216,311.12/81,170.10
  6. Step 6: Final answer
    x = 61,922.02

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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.