Home / 115,049.64-158,730.44-67,269.16

Finding the Fourth Proportional to 115,049.64, 158,730.44 and 67,269.16

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Solution

The fourth proportional to 115,049.64, 158,730.44 and 67,269.16 is: 92,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,049.64 : 158,730.44 = 67,269.16 : x
  2. Step 2: Convert to fraction form
    115,049.64/158,730.44 = 67,269.16/x
  3. Step 3: Cross multiply
    115,049.64x = 158,730.44 × 67,269.16
  4. Step 4: Simplify right side
    115,049.64x = 10,677,662,571.58
  5. Step 5: Solve for x
    x = 10,677,662,571.58/115,049.64
  6. Step 6: Final answer
    x = 92,809.18

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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.