Home / 57,618.12-86,947.55-55,843.11

Finding the Fourth Proportional to 57,618.12, 86,947.55 and 55,843.11

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Solution

The fourth proportional to 57,618.12, 86,947.55 and 55,843.11 is: 84,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,618.12 : 86,947.55 = 55,843.11 : x
  2. Step 2: Convert to fraction form
    57,618.12/86,947.55 = 55,843.11/x
  3. Step 3: Cross multiply
    57,618.12x = 86,947.55 × 55,843.11
  4. Step 4: Simplify right side
    57,618.12x = 4,855,421,738.49
  5. Step 5: Solve for x
    x = 4,855,421,738.49/57,618.12
  6. Step 6: Final answer
    x = 84,269.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.