Home / 68,191.72-94,183.14-45,491.08

Finding the Fourth Proportional to 68,191.72, 94,183.14 and 45,491.08

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Solution

The fourth proportional to 68,191.72, 94,183.14 and 45,491.08 is: 62,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,191.72 : 94,183.14 = 45,491.08 : x
  2. Step 2: Convert to fraction form
    68,191.72/94,183.14 = 45,491.08/x
  3. Step 3: Cross multiply
    68,191.72x = 94,183.14 × 45,491.08
  4. Step 4: Simplify right side
    68,191.72x = 4,284,492,756.39
  5. Step 5: Solve for x
    x = 4,284,492,756.39/68,191.72
  6. Step 6: Final answer
    x = 62,830.10

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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.