Home / 61,178.20-91,767.30-34,934.20

Finding the Fourth Proportional to 61,178.20, 91,767.30 and 34,934.20

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Solution

The fourth proportional to 61,178.20, 91,767.30 and 34,934.20 is: 52,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.20 : 91,767.30 = 34,934.20 : x
  2. Step 2: Convert to fraction form
    61,178.20/91,767.30 = 34,934.20/x
  3. Step 3: Cross multiply
    61,178.20x = 91,767.30 × 34,934.20
  4. Step 4: Simplify right side
    61,178.20x = 3,205,817,211.66
  5. Step 5: Solve for x
    x = 3,205,817,211.66/61,178.20
  6. Step 6: Final answer
    x = 52,401.30

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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.