Home / 124,962.64-187,247.12-68,719.22

Finding the Fourth Proportional to 124,962.64, 187,247.12 and 68,719.22

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Solution

The fourth proportional to 124,962.64, 187,247.12 and 68,719.22 is: 102,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,962.64 : 187,247.12 = 68,719.22 : x
  2. Step 2: Convert to fraction form
    124,962.64/187,247.12 = 68,719.22/x
  3. Step 3: Cross multiply
    124,962.64x = 187,247.12 × 68,719.22
  4. Step 4: Simplify right side
    124,962.64x = 12,867,476,033.65
  5. Step 5: Solve for x
    x = 12,867,476,033.65/124,962.64
  6. Step 6: Final answer
    x = 102,970.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.