Home / 124,975.80-172,464.30-68,386.04

Finding the Fourth Proportional to 124,975.80, 172,464.30 and 68,386.04

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Solution

The fourth proportional to 124,975.80, 172,464.30 and 68,386.04 is: 94,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.80 : 172,464.30 = 68,386.04 : x
  2. Step 2: Convert to fraction form
    124,975.80/172,464.30 = 68,386.04/x
  3. Step 3: Cross multiply
    124,975.80x = 172,464.30 × 68,386.04
  4. Step 4: Simplify right side
    124,975.80x = 11,794,150,518.37
  5. Step 5: Solve for x
    x = 11,794,150,518.37/124,975.80
  6. Step 6: Final answer
    x = 94,371.47

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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.