Home / 75,629.60-113,462.80-23,040.08

Finding the Fourth Proportional to 75,629.60, 113,462.80 and 23,040.08

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Solution

The fourth proportional to 75,629.60, 113,462.80 and 23,040.08 is: 34,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.60 : 113,462.80 = 23,040.08 : x
  2. Step 2: Convert to fraction form
    75,629.60/113,462.80 = 23,040.08/x
  3. Step 3: Cross multiply
    75,629.60x = 113,462.80 × 23,040.08
  4. Step 4: Simplify right side
    75,629.60x = 2,614,191,989.02
  5. Step 5: Solve for x
    x = 2,614,191,989.02/75,629.60
  6. Step 6: Final answer
    x = 34,565.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.