Home / 94,126.51-141,002.28-68,879.21

Finding the Fourth Proportional to 94,126.51, 141,002.28 and 68,879.21

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Solution

The fourth proportional to 94,126.51, 141,002.28 and 68,879.21 is: 103,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,126.51 : 141,002.28 = 68,879.21 : x
  2. Step 2: Convert to fraction form
    94,126.51/141,002.28 = 68,879.21/x
  3. Step 3: Cross multiply
    94,126.51x = 141,002.28 × 68,879.21
  4. Step 4: Simplify right side
    94,126.51x = 9,712,126,007.10
  5. Step 5: Solve for x
    x = 9,712,126,007.10/94,126.51
  6. Step 6: Final answer
    x = 103,181.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.