Home / 68,486.04-94,510.82-38,272.64

Finding the Fourth Proportional to 68,486.04, 94,510.82 and 38,272.64

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Solution

The fourth proportional to 68,486.04, 94,510.82 and 38,272.64 is: 52,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,486.04 : 94,510.82 = 38,272.64 : x
  2. Step 2: Convert to fraction form
    68,486.04/94,510.82 = 38,272.64/x
  3. Step 3: Cross multiply
    68,486.04x = 94,510.82 × 38,272.64
  4. Step 4: Simplify right side
    68,486.04x = 3,617,178,589.96
  5. Step 5: Solve for x
    x = 3,617,178,589.96/68,486.04
  6. Step 6: Final answer
    x = 52,816.29

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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.