Home / 68,221.04-94,142.66-38,004.80

Finding the Fourth Proportional to 68,221.04, 94,142.66 and 38,004.80

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Solution

The fourth proportional to 68,221.04, 94,142.66 and 38,004.80 is: 52,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,221.04 : 94,142.66 = 38,004.80 : x
  2. Step 2: Convert to fraction form
    68,221.04/94,142.66 = 38,004.80/x
  3. Step 3: Cross multiply
    68,221.04x = 94,142.66 × 38,004.80
  4. Step 4: Simplify right side
    68,221.04x = 3,577,872,304.03
  5. Step 5: Solve for x
    x = 3,577,872,304.03/68,221.04
  6. Step 6: Final answer
    x = 52,445.29

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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.