Home / 68,907.15-95,086.04-38,690.10

Finding the Fourth Proportional to 68,907.15, 95,086.04 and 38,690.10

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Solution

The fourth proportional to 68,907.15, 95,086.04 and 38,690.10 is: 53,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,907.15 : 95,086.04 = 38,690.10 : x
  2. Step 2: Convert to fraction form
    68,907.15/95,086.04 = 38,690.10/x
  3. Step 3: Cross multiply
    68,907.15x = 95,086.04 × 38,690.10
  4. Step 4: Simplify right side
    68,907.15x = 3,678,888,202.75
  5. Step 5: Solve for x
    x = 3,678,888,202.75/68,907.15
  6. Step 6: Final answer
    x = 53,389.06

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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.