Home / 60,529.36-90,808.63-18,976.36

Finding the Fourth Proportional to 60,529.36, 90,808.63 and 18,976.36

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Solution

The fourth proportional to 60,529.36, 90,808.63 and 18,976.36 is: 28,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,529.36 : 90,808.63 = 18,976.36 : x
  2. Step 2: Convert to fraction form
    60,529.36/90,808.63 = 18,976.36/x
  3. Step 3: Cross multiply
    60,529.36x = 90,808.63 × 18,976.36
  4. Step 4: Simplify right side
    60,529.36x = 1,723,217,149.79
  5. Step 5: Solve for x
    x = 1,723,217,149.79/60,529.36
  6. Step 6: Final answer
    x = 28,469.11

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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.