Home / 40,111.06-60,176.19-12,409.06

Finding the Fourth Proportional to 40,111.06, 60,176.19 and 12,409.06

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Solution

The fourth proportional to 40,111.06, 60,176.19 and 12,409.06 is: 18,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.06 : 60,176.19 = 12,409.06 : x
  2. Step 2: Convert to fraction form
    40,111.06/60,176.19 = 12,409.06/x
  3. Step 3: Cross multiply
    40,111.06x = 60,176.19 × 12,409.06
  4. Step 4: Simplify right side
    40,111.06x = 746,729,952.28
  5. Step 5: Solve for x
    x = 746,729,952.28/40,111.06
  6. Step 6: Final answer
    x = 18,616.56

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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.