Home / 76,114.70-105,036.62-41,659.26

Finding the Fourth Proportional to 76,114.70, 105,036.62 and 41,659.26

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Solution

The fourth proportional to 76,114.70, 105,036.62 and 41,659.26 is: 57,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,114.70 : 105,036.62 = 41,659.26 : x
  2. Step 2: Convert to fraction form
    76,114.70/105,036.62 = 41,659.26/x
  3. Step 3: Cross multiply
    76,114.70x = 105,036.62 × 41,659.26
  4. Step 4: Simplify right side
    76,114.70x = 4,375,747,653.80
  5. Step 5: Solve for x
    x = 4,375,747,653.80/76,114.70
  6. Step 6: Final answer
    x = 57,488.87

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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.