Home / 75,427.94-113,156.42-25,516.05

Finding the Fourth Proportional to 75,427.94, 113,156.42 and 25,516.05

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Solution

The fourth proportional to 75,427.94, 113,156.42 and 25,516.05 is: 38,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,427.94 : 113,156.42 = 25,516.05 : x
  2. Step 2: Convert to fraction form
    75,427.94/113,156.42 = 25,516.05/x
  3. Step 3: Cross multiply
    75,427.94x = 113,156.42 × 25,516.05
  4. Step 4: Simplify right side
    75,427.94x = 2,887,304,742.96
  5. Step 5: Solve for x
    x = 2,887,304,742.96/75,427.94
  6. Step 6: Final answer
    x = 38,278.98

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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.