Home / 57,115.77-78,855.54-36,706.11

Finding the Fourth Proportional to 57,115.77, 78,855.54 and 36,706.11

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Solution

The fourth proportional to 57,115.77, 78,855.54 and 36,706.11 is: 50,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115.77 : 78,855.54 = 36,706.11 : x
  2. Step 2: Convert to fraction form
    57,115.77/78,855.54 = 36,706.11/x
  3. Step 3: Cross multiply
    57,115.77x = 78,855.54 × 36,706.11
  4. Step 4: Simplify right side
    57,115.77x = 2,894,480,125.35
  5. Step 5: Solve for x
    x = 2,894,480,125.35/57,115.77
  6. Step 6: Final answer
    x = 50,677.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.