Home / 124,975.40-172,467.06-68,387.24

Finding the Fourth Proportional to 124,975.40, 172,467.06 and 68,387.24

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Solution

The fourth proportional to 124,975.40, 172,467.06 and 68,387.24 is: 94,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.40 : 172,467.06 = 68,387.24 : x
  2. Step 2: Convert to fraction form
    124,975.40/172,467.06 = 68,387.24/x
  3. Step 3: Cross multiply
    124,975.40x = 172,467.06 × 68,387.24
  4. Step 4: Simplify right side
    124,975.40x = 11,794,546,224.31
  5. Step 5: Solve for x
    x = 11,794,546,224.31/124,975.40
  6. Step 6: Final answer
    x = 94,374.94

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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.