Home / 86,309.46-119,086.28-48,583.70

Finding the Fourth Proportional to 86,309.46, 119,086.28 and 48,583.70

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Solution

The fourth proportional to 86,309.46, 119,086.28 and 48,583.70 is: 67,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,309.46 : 119,086.28 = 48,583.70 : x
  2. Step 2: Convert to fraction form
    86,309.46/119,086.28 = 48,583.70/x
  3. Step 3: Cross multiply
    86,309.46x = 119,086.28 × 48,583.70
  4. Step 4: Simplify right side
    86,309.46x = 5,785,652,101.64
  5. Step 5: Solve for x
    x = 5,785,652,101.64/86,309.46
  6. Step 6: Final answer
    x = 67,033.81

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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.