Home / 75,464.12-113,200.06-19,304.72

Finding the Fourth Proportional to 75,464.12, 113,200.06 and 19,304.72

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Solution

The fourth proportional to 75,464.12, 113,200.06 and 19,304.72 is: 28,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,464.12 : 113,200.06 = 19,304.72 : x
  2. Step 2: Convert to fraction form
    75,464.12/113,200.06 = 19,304.72/x
  3. Step 3: Cross multiply
    75,464.12x = 113,200.06 × 19,304.72
  4. Step 4: Simplify right side
    75,464.12x = 2,185,295,156.32
  5. Step 5: Solve for x
    x = 2,185,295,156.32/75,464.12
  6. Step 6: Final answer
    x = 28,958.07

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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.