Home / 124,866.13-172,315.83-68,277.46

Finding the Fourth Proportional to 124,866.13, 172,315.83 and 68,277.46

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Solution

The fourth proportional to 124,866.13, 172,315.83 and 68,277.46 is: 94,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,866.13 : 172,315.83 = 68,277.46 : x
  2. Step 2: Convert to fraction form
    124,866.13/172,315.83 = 68,277.46/x
  3. Step 3: Cross multiply
    124,866.13x = 172,315.83 × 68,277.46
  4. Step 4: Simplify right side
    124,866.13x = 11,765,287,190.19
  5. Step 5: Solve for x
    x = 11,765,287,190.19/124,866.13
  6. Step 6: Final answer
    x = 94,223.21

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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.