Home / 55,722.80-83,581.25-18,277.94

Finding the Fourth Proportional to 55,722.80, 83,581.25 and 18,277.94

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Solution

The fourth proportional to 55,722.80, 83,581.25 and 18,277.94 is: 27,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.80 : 83,581.25 = 18,277.94 : x
  2. Step 2: Convert to fraction form
    55,722.80/83,581.25 = 18,277.94/x
  3. Step 3: Cross multiply
    55,722.80x = 83,581.25 × 18,277.94
  4. Step 4: Simplify right side
    55,722.80x = 1,527,692,909.37
  5. Step 5: Solve for x
    x = 1,527,692,909.37/55,722.80
  6. Step 6: Final answer
    x = 27,415.94

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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.