Home / 127,339.16-175,727.41-69,982.04

Finding the Fourth Proportional to 127,339.16, 175,727.41 and 69,982.04

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Solution

The fourth proportional to 127,339.16, 175,727.41 and 69,982.04 is: 96,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.16 : 175,727.41 = 69,982.04 : x
  2. Step 2: Convert to fraction form
    127,339.16/175,727.41 = 69,982.04/x
  3. Step 3: Cross multiply
    127,339.16x = 175,727.41 × 69,982.04
  4. Step 4: Simplify right side
    127,339.16x = 12,297,762,900.08
  5. Step 5: Solve for x
    x = 12,297,762,900.08/127,339.16
  6. Step 6: Final answer
    x = 96,574.87

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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.