Home / 74,839.14-112,258.71-35,341.92

Finding the Fourth Proportional to 74,839.14, 112,258.71 and 35,341.92

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Solution

The fourth proportional to 74,839.14, 112,258.71 and 35,341.92 is: 53,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.14 : 112,258.71 = 35,341.92 : x
  2. Step 2: Convert to fraction form
    74,839.14/112,258.71 = 35,341.92/x
  3. Step 3: Cross multiply
    74,839.14x = 112,258.71 × 35,341.92
  4. Step 4: Simplify right side
    74,839.14x = 3,967,438,348.12
  5. Step 5: Solve for x
    x = 3,967,438,348.12/74,839.14
  6. Step 6: Final answer
    x = 53,012.88

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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.