Home / 68,190.72-94,181.76-45,490.08

Finding the Fourth Proportional to 68,190.72, 94,181.76 and 45,490.08

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Solution

The fourth proportional to 68,190.72, 94,181.76 and 45,490.08 is: 62,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.72 : 94,181.76 = 45,490.08 : x
  2. Step 2: Convert to fraction form
    68,190.72/94,181.76 = 45,490.08/x
  3. Step 3: Cross multiply
    68,190.72x = 94,181.76 × 45,490.08
  4. Step 4: Simplify right side
    68,190.72x = 4,284,335,796.94
  5. Step 5: Solve for x
    x = 4,284,335,796.94/68,190.72
  6. Step 6: Final answer
    x = 62,828.72

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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.