Home / 74,668.26-103,009.46-49,141.76

Finding the Fourth Proportional to 74,668.26, 103,009.46 and 49,141.76

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Solution

The fourth proportional to 74,668.26, 103,009.46 and 49,141.76 is: 67,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.26 : 103,009.46 = 49,141.76 : x
  2. Step 2: Convert to fraction form
    74,668.26/103,009.46 = 49,141.76/x
  3. Step 3: Cross multiply
    74,668.26x = 103,009.46 × 49,141.76
  4. Step 4: Simplify right side
    74,668.26x = 5,062,066,161.05
  5. Step 5: Solve for x
    x = 5,062,066,161.05/74,668.26
  6. Step 6: Final answer
    x = 67,794.08

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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.