Home / 68,131.04-94,020.76-38,323.04

Finding the Fourth Proportional to 68,131.04, 94,020.76 and 38,323.04

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Solution

The fourth proportional to 68,131.04, 94,020.76 and 38,323.04 is: 52,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.04 : 94,020.76 = 38,323.04 : x
  2. Step 2: Convert to fraction form
    68,131.04/94,020.76 = 38,323.04/x
  3. Step 3: Cross multiply
    68,131.04x = 94,020.76 × 38,323.04
  4. Step 4: Simplify right side
    68,131.04x = 3,603,161,346.31
  5. Step 5: Solve for x
    x = 3,603,161,346.31/68,131.04
  6. Step 6: Final answer
    x = 52,885.75

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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.