Home / 74,125.76-111,187.66-17,966.36

Finding the Fourth Proportional to 74,125.76, 111,187.66 and 17,966.36

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Solution

The fourth proportional to 74,125.76, 111,187.66 and 17,966.36 is: 26,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,125.76 : 111,187.66 = 17,966.36 : x
  2. Step 2: Convert to fraction form
    74,125.76/111,187.66 = 17,966.36/x
  3. Step 3: Cross multiply
    74,125.76x = 111,187.66 × 17,966.36
  4. Step 4: Simplify right side
    74,125.76x = 1,997,636,926.26
  5. Step 5: Solve for x
    x = 1,997,636,926.26/74,125.76
  6. Step 6: Final answer
    x = 26,949.29

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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.