Home / 75,629.52-113,378.64-38,158.02

Finding the Fourth Proportional to 75,629.52, 113,378.64 and 38,158.02

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Solution

The fourth proportional to 75,629.52, 113,378.64 and 38,158.02 is: 57,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.52 : 113,378.64 = 38,158.02 : x
  2. Step 2: Convert to fraction form
    75,629.52/113,378.64 = 38,158.02/x
  3. Step 3: Cross multiply
    75,629.52x = 113,378.64 × 38,158.02
  4. Step 4: Simplify right side
    75,629.52x = 4,326,304,412.69
  5. Step 5: Solve for x
    x = 4,326,304,412.69/75,629.52
  6. Step 6: Final answer
    x = 57,203.91

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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.