Home / 57,919.29-86,715.10-36,807

Finding the Fourth Proportional to 57,919.29, 86,715.10 and 36,807

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Solution

The fourth proportional to 57,919.29, 86,715.10 and 36,807 is: 55,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919.29 : 86,715.10 = 36,807 : x
  2. Step 2: Convert to fraction form
    57,919.29/86,715.10 = 36,807/x
  3. Step 3: Cross multiply
    57,919.29x = 86,715.10 × 36,807
  4. Step 4: Simplify right side
    57,919.29x = 3,191,722,685.70
  5. Step 5: Solve for x
    x = 3,191,722,685.70/57,919.29
  6. Step 6: Final answer
    x = 55,106.38

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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.