Home / 81,394.89-112,322.33-45,094.85

Finding the Fourth Proportional to 81,394.89, 112,322.33 and 45,094.85

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Solution

The fourth proportional to 81,394.89, 112,322.33 and 45,094.85 is: 62,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,394.89 : 112,322.33 = 45,094.85 : x
  2. Step 2: Convert to fraction form
    81,394.89/112,322.33 = 45,094.85/x
  3. Step 3: Cross multiply
    81,394.89x = 112,322.33 × 45,094.85
  4. Step 4: Simplify right side
    81,394.89x = 5,065,157,835.91
  5. Step 5: Solve for x
    x = 5,065,157,835.91/81,394.89
  6. Step 6: Final answer
    x = 62,229.43

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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.