Home / 106,515.27-146,990.77-58,768.20

Finding the Fourth Proportional to 106,515.27, 146,990.77 and 58,768.20

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Solution

The fourth proportional to 106,515.27, 146,990.77 and 58,768.20 is: 81,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,515.27 : 146,990.77 = 58,768.20 : x
  2. Step 2: Convert to fraction form
    106,515.27/146,990.77 = 58,768.20/x
  3. Step 3: Cross multiply
    106,515.27x = 146,990.77 × 58,768.20
  4. Step 4: Simplify right side
    106,515.27x = 8,638,382,822.59
  5. Step 5: Solve for x
    x = 8,638,382,822.59/106,515.27
  6. Step 6: Final answer
    x = 81,099.95

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1.5x scale

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.