Home / 119,603.14-165,040.98-68,620.07

Finding the Fourth Proportional to 119,603.14, 165,040.98 and 68,620.07

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Solution

The fourth proportional to 119,603.14, 165,040.98 and 68,620.07 is: 94,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,603.14 : 165,040.98 = 68,620.07 : x
  2. Step 2: Convert to fraction form
    119,603.14/165,040.98 = 68,620.07/x
  3. Step 3: Cross multiply
    119,603.14x = 165,040.98 × 68,620.07
  4. Step 4: Simplify right side
    119,603.14x = 11,325,123,600.47
  5. Step 5: Solve for x
    x = 11,325,123,600.47/119,603.14
  6. Step 6: Final answer
    x = 94,689.18

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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.