Home / 94,134.51-140,371.38-81,070.83

Finding the Fourth Proportional to 94,134.51, 140,371.38 and 81,070.83

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Solution

The fourth proportional to 94,134.51, 140,371.38 and 81,070.83 is: 120,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,134.51 : 140,371.38 = 81,070.83 : x
  2. Step 2: Convert to fraction form
    94,134.51/140,371.38 = 81,070.83/x
  3. Step 3: Cross multiply
    94,134.51x = 140,371.38 × 81,070.83
  4. Step 4: Simplify right side
    94,134.51x = 11,380,024,284.85
  5. Step 5: Solve for x
    x = 11,380,024,284.85/94,134.51
  6. Step 6: Final answer
    x = 120,891.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.