Home / 77,836.71-116,771.48-25,242.09

Finding the Fourth Proportional to 77,836.71, 116,771.48 and 25,242.09

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Solution

The fourth proportional to 77,836.71, 116,771.48 and 25,242.09 is: 37,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,836.71 : 116,771.48 = 25,242.09 : x
  2. Step 2: Convert to fraction form
    77,836.71/116,771.48 = 25,242.09/x
  3. Step 3: Cross multiply
    77,836.71x = 116,771.48 × 25,242.09
  4. Step 4: Simplify right side
    77,836.71x = 2,947,556,081.38
  5. Step 5: Solve for x
    x = 2,947,556,081.38/77,836.71
  6. Step 6: Final answer
    x = 37,868.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.