Home / 82,868.39-114,357.78-45,142.64

Finding the Fourth Proportional to 82,868.39, 114,357.78 and 45,142.64

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Solution

The fourth proportional to 82,868.39, 114,357.78 and 45,142.64 is: 62,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,868.39 : 114,357.78 = 45,142.64 : x
  2. Step 2: Convert to fraction form
    82,868.39/114,357.78 = 45,142.64/x
  3. Step 3: Cross multiply
    82,868.39x = 114,357.78 × 45,142.64
  4. Step 4: Simplify right side
    82,868.39x = 5,162,412,093.74
  5. Step 5: Solve for x
    x = 5,162,412,093.74/82,868.39
  6. Step 6: Final answer
    x = 62,296.52

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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.