Home / 74,833.40-103,287.83-43,020.79

Finding the Fourth Proportional to 74,833.40, 103,287.83 and 43,020.79

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Solution

The fourth proportional to 74,833.40, 103,287.83 and 43,020.79 is: 59,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,833.40 : 103,287.83 = 43,020.79 : x
  2. Step 2: Convert to fraction form
    74,833.40/103,287.83 = 43,020.79/x
  3. Step 3: Cross multiply
    74,833.40x = 103,287.83 × 43,020.79
  4. Step 4: Simplify right side
    74,833.40x = 4,443,523,570.66
  5. Step 5: Solve for x
    x = 4,443,523,570.66/74,833.40
  6. Step 6: Final answer
    x = 59,378.88

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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.