Home / 52,118.70-78,178.11-36,605.58

Finding the Fourth Proportional to 52,118.70, 78,178.11 and 36,605.58

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Solution

The fourth proportional to 52,118.70, 78,178.11 and 36,605.58 is: 54,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.70 : 78,178.11 = 36,605.58 : x
  2. Step 2: Convert to fraction form
    52,118.70/78,178.11 = 36,605.58/x
  3. Step 3: Cross multiply
    52,118.70x = 78,178.11 × 36,605.58
  4. Step 4: Simplify right side
    52,118.70x = 2,861,755,059.85
  5. Step 5: Solve for x
    x = 2,861,755,059.85/52,118.70
  6. Step 6: Final answer
    x = 54,908.41

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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.