Home / 102,356.46-141,233.22-57,033.32

Finding the Fourth Proportional to 102,356.46, 141,233.22 and 57,033.32

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Solution

The fourth proportional to 102,356.46, 141,233.22 and 57,033.32 is: 78,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,356.46 : 141,233.22 = 57,033.32 : x
  2. Step 2: Convert to fraction form
    102,356.46/141,233.22 = 57,033.32/x
  3. Step 3: Cross multiply
    102,356.46x = 141,233.22 × 57,033.32
  4. Step 4: Simplify right side
    102,356.46x = 8,054,998,724.72
  5. Step 5: Solve for x
    x = 8,054,998,724.72/102,356.46
  6. Step 6: Final answer
    x = 78,695.56

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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.