Home / 102,334.46-141,231.92-57,019.82

Finding the Fourth Proportional to 102,334.46, 141,231.92 and 57,019.82

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Solution

The fourth proportional to 102,334.46, 141,231.92 and 57,019.82 is: 78,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,334.46 : 141,231.92 = 57,019.82 : x
  2. Step 2: Convert to fraction form
    102,334.46/141,231.92 = 57,019.82/x
  3. Step 3: Cross multiply
    102,334.46x = 141,231.92 × 57,019.82
  4. Step 4: Simplify right side
    102,334.46x = 8,053,017,665.40
  5. Step 5: Solve for x
    x = 8,053,017,665.40/102,334.46
  6. Step 6: Final answer
    x = 78,693.12

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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.