Home / 123,200.93-170,016.94-68,752.52

Finding the Fourth Proportional to 123,200.93, 170,016.94 and 68,752.52

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Solution

The fourth proportional to 123,200.93, 170,016.94 and 68,752.52 is: 94,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,200.93 : 170,016.94 = 68,752.52 : x
  2. Step 2: Convert to fraction form
    123,200.93/170,016.94 = 68,752.52/x
  3. Step 3: Cross multiply
    123,200.93x = 170,016.94 × 68,752.52
  4. Step 4: Simplify right side
    123,200.93x = 11,689,092,941.11
  5. Step 5: Solve for x
    x = 11,689,092,941.11/123,200.93
  6. Step 6: Final answer
    x = 94,878.28

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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.