Home / 109,620.02-164,480.78-59,640.58

Finding the Fourth Proportional to 109,620.02, 164,480.78 and 59,640.58

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Solution

The fourth proportional to 109,620.02, 164,480.78 and 59,640.58 is: 89,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,620.02 : 164,480.78 = 59,640.58 : x
  2. Step 2: Convert to fraction form
    109,620.02/164,480.78 = 59,640.58/x
  3. Step 3: Cross multiply
    109,620.02x = 164,480.78 × 59,640.58
  4. Step 4: Simplify right side
    109,620.02x = 9,809,729,118.05
  5. Step 5: Solve for x
    x = 9,809,729,118.05/109,620.02
  6. Step 6: Final answer
    x = 89,488.48

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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.