Home / 81,304.42-112,194.81-45,488.26

Finding the Fourth Proportional to 81,304.42, 112,194.81 and 45,488.26

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Solution

The fourth proportional to 81,304.42, 112,194.81 and 45,488.26 is: 62,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,304.42 : 112,194.81 = 45,488.26 : x
  2. Step 2: Convert to fraction form
    81,304.42/112,194.81 = 45,488.26/x
  3. Step 3: Cross multiply
    81,304.42x = 112,194.81 × 45,488.26
  4. Step 4: Simplify right side
    81,304.42x = 5,103,546,687.93
  5. Step 5: Solve for x
    x = 5,103,546,687.93/81,304.42
  6. Step 6: Final answer
    x = 62,770.84

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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.