Home / 75,708.05-104,487.17-43,455.41

Finding the Fourth Proportional to 75,708.05, 104,487.17 and 43,455.41

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Solution

The fourth proportional to 75,708.05, 104,487.17 and 43,455.41 is: 59,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,708.05 : 104,487.17 = 43,455.41 : x
  2. Step 2: Convert to fraction form
    75,708.05/104,487.17 = 43,455.41/x
  3. Step 3: Cross multiply
    75,708.05x = 104,487.17 × 43,455.41
  4. Step 4: Simplify right side
    75,708.05x = 4,540,532,594.81
  5. Step 5: Solve for x
    x = 4,540,532,594.81/75,708.05
  6. Step 6: Final answer
    x = 59,974.24

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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.