Home / 75,576.12-113,369.62-22,985.42

Finding the Fourth Proportional to 75,576.12, 113,369.62 and 22,985.42

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Solution

The fourth proportional to 75,576.12, 113,369.62 and 22,985.42 is: 34,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,576.12 : 113,369.62 = 22,985.42 : x
  2. Step 2: Convert to fraction form
    75,576.12/113,369.62 = 22,985.42/x
  3. Step 3: Cross multiply
    75,576.12x = 113,369.62 × 22,985.42
  4. Step 4: Simplify right side
    75,576.12x = 2,605,848,330.94
  5. Step 5: Solve for x
    x = 2,605,848,330.94/75,576.12
  6. Step 6: Final answer
    x = 34,479.78

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1.5x scale

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.