Home / 52,691.46-79,068.30-19,434.75

Finding the Fourth Proportional to 52,691.46, 79,068.30 and 19,434.75

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Solution

The fourth proportional to 52,691.46, 79,068.30 and 19,434.75 is: 29,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,691.46 : 79,068.30 = 19,434.75 : x
  2. Step 2: Convert to fraction form
    52,691.46/79,068.30 = 19,434.75/x
  3. Step 3: Cross multiply
    52,691.46x = 79,068.30 × 19,434.75
  4. Step 4: Simplify right side
    52,691.46x = 1,536,672,643.43
  5. Step 5: Solve for x
    x = 1,536,672,643.43/52,691.46
  6. Step 6: Final answer
    x = 29,163.60

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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.