Home / 106,140.46-146,473.62-58,393.70

Finding the Fourth Proportional to 106,140.46, 146,473.62 and 58,393.70

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Solution

The fourth proportional to 106,140.46, 146,473.62 and 58,393.70 is: 80,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.46 : 146,473.62 = 58,393.70 : x
  2. Step 2: Convert to fraction form
    106,140.46/146,473.62 = 58,393.70/x
  3. Step 3: Cross multiply
    106,140.46x = 146,473.62 × 58,393.70
  4. Step 4: Simplify right side
    106,140.46x = 8,553,135,599.86
  5. Step 5: Solve for x
    x = 8,553,135,599.86/106,140.46
  6. Step 6: Final answer
    x = 80,583.18

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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.