Home / 75,993.30-104,867.49-42,000.03

Finding the Fourth Proportional to 75,993.30, 104,867.49 and 42,000.03

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Solution

The fourth proportional to 75,993.30, 104,867.49 and 42,000.03 is: 57,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,993.30 : 104,867.49 = 42,000.03 : x
  2. Step 2: Convert to fraction form
    75,993.30/104,867.49 = 42,000.03/x
  3. Step 3: Cross multiply
    75,993.30x = 104,867.49 × 42,000.03
  4. Step 4: Simplify right side
    75,993.30x = 4,404,437,726.02
  5. Step 5: Solve for x
    x = 4,404,437,726.02/75,993.30
  6. Step 6: Final answer
    x = 57,958.24

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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.