Home / 68,109.18-101,966.94-43,177.38

Finding the Fourth Proportional to 68,109.18, 101,966.94 and 43,177.38

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Solution

The fourth proportional to 68,109.18, 101,966.94 and 43,177.38 is: 64,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,109.18 : 101,966.94 = 43,177.38 : x
  2. Step 2: Convert to fraction form
    68,109.18/101,966.94 = 43,177.38/x
  3. Step 3: Cross multiply
    68,109.18x = 101,966.94 × 43,177.38
  4. Step 4: Simplify right side
    68,109.18x = 4,402,665,315.82
  5. Step 5: Solve for x
    x = 4,402,665,315.82/68,109.18
  6. Step 6: Final answer
    x = 64,641.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.