Home / 123,267.90-170,110.38-68,822.53

Finding the Fourth Proportional to 123,267.90, 170,110.38 and 68,822.53

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Solution

The fourth proportional to 123,267.90, 170,110.38 and 68,822.53 is: 94,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,267.90 : 170,110.38 = 68,822.53 : x
  2. Step 2: Convert to fraction form
    123,267.90/170,110.38 = 68,822.53/x
  3. Step 3: Cross multiply
    123,267.90x = 170,110.38 × 68,822.53
  4. Step 4: Simplify right side
    123,267.90x = 11,707,426,730.86
  5. Step 5: Solve for x
    x = 11,707,426,730.86/123,267.90
  6. Step 6: Final answer
    x = 94,975.47

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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.