Home / 40,216.70-60,323.52-12,135.99

Finding the Fourth Proportional to 40,216.70, 60,323.52 and 12,135.99

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Solution

The fourth proportional to 40,216.70, 60,323.52 and 12,135.99 is: 18,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216.70 : 60,323.52 = 12,135.99 : x
  2. Step 2: Convert to fraction form
    40,216.70/60,323.52 = 12,135.99/x
  3. Step 3: Cross multiply
    40,216.70x = 60,323.52 × 12,135.99
  4. Step 4: Simplify right side
    40,216.70x = 732,085,635.48
  5. Step 5: Solve for x
    x = 732,085,635.48/40,216.70
  6. Step 6: Final answer
    x = 18,203.53

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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.