Home / 124,756.30-172,163.91-68,166.46

Finding the Fourth Proportional to 124,756.30, 172,163.91 and 68,166.46

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Solution

The fourth proportional to 124,756.30, 172,163.91 and 68,166.46 is: 94,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,756.30 : 172,163.91 = 68,166.46 : x
  2. Step 2: Convert to fraction form
    124,756.30/172,163.91 = 68,166.46/x
  3. Step 3: Cross multiply
    124,756.30x = 172,163.91 × 68,166.46
  4. Step 4: Simplify right side
    124,756.30x = 11,735,804,284.46
  5. Step 5: Solve for x
    x = 11,735,804,284.46/124,756.30
  6. Step 6: Final answer
    x = 94,069.83

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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.