Home / 57,616.05-86,289.79-55,620.57

Finding the Fourth Proportional to 57,616.05, 86,289.79 and 55,620.57

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Solution

The fourth proportional to 57,616.05, 86,289.79 and 55,620.57 is: 83,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616.05 : 86,289.79 = 55,620.57 : x
  2. Step 2: Convert to fraction form
    57,616.05/86,289.79 = 55,620.57/x
  3. Step 3: Cross multiply
    57,616.05x = 86,289.79 × 55,620.57
  4. Step 4: Simplify right side
    57,616.05x = 4,799,487,304.98
  5. Step 5: Solve for x
    x = 4,799,487,304.98/57,616.05
  6. Step 6: Final answer
    x = 83,301.22

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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.