Home / 68,409.18-94,395.24-38,190.96

Finding the Fourth Proportional to 68,409.18, 94,395.24 and 38,190.96

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Solution

The fourth proportional to 68,409.18, 94,395.24 and 38,190.96 is: 52,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409.18 : 94,395.24 = 38,190.96 : x
  2. Step 2: Convert to fraction form
    68,409.18/94,395.24 = 38,190.96/x
  3. Step 3: Cross multiply
    68,409.18x = 94,395.24 × 38,190.96
  4. Step 4: Simplify right side
    68,409.18x = 3,605,044,835.03
  5. Step 5: Solve for x
    x = 3,605,044,835.03/68,409.18
  6. Step 6: Final answer
    x = 52,698.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.