Home / 75,335.67-103,923.63-57,399.53

Finding the Fourth Proportional to 75,335.67, 103,923.63 and 57,399.53

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Solution

The fourth proportional to 75,335.67, 103,923.63 and 57,399.53 is: 79,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,335.67 : 103,923.63 = 57,399.53 : x
  2. Step 2: Convert to fraction form
    75,335.67/103,923.63 = 57,399.53/x
  3. Step 3: Cross multiply
    75,335.67x = 103,923.63 × 57,399.53
  4. Step 4: Simplify right side
    75,335.67x = 5,965,166,998.28
  5. Step 5: Solve for x
    x = 5,965,166,998.28/75,335.67
  6. Step 6: Final answer
    x = 79,181.18

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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.