Home / 74,930.67-103,407.43-43,099.61

Finding the Fourth Proportional to 74,930.67, 103,407.43 and 43,099.61

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Solution

The fourth proportional to 74,930.67, 103,407.43 and 43,099.61 is: 59,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930.67 : 103,407.43 = 43,099.61 : x
  2. Step 2: Convert to fraction form
    74,930.67/103,407.43 = 43,099.61/x
  3. Step 3: Cross multiply
    74,930.67x = 103,407.43 × 43,099.61
  4. Step 4: Simplify right side
    74,930.67x = 4,456,819,904.10
  5. Step 5: Solve for x
    x = 4,456,819,904.10/74,930.67
  6. Step 6: Final answer
    x = 59,479.25

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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.