Home / 74,118.69-111,115.73-60,043.83

Finding the Fourth Proportional to 74,118.69, 111,115.73 and 60,043.83

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Solution

The fourth proportional to 74,118.69, 111,115.73 and 60,043.83 is: 90,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.69 : 111,115.73 = 60,043.83 : x
  2. Step 2: Convert to fraction form
    74,118.69/111,115.73 = 60,043.83/x
  3. Step 3: Cross multiply
    74,118.69x = 111,115.73 × 60,043.83
  4. Step 4: Simplify right side
    74,118.69x = 6,671,813,702.23
  5. Step 5: Solve for x
    x = 6,671,813,702.23/74,118.69
  6. Step 6: Final answer
    x = 90,015.27

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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.