Home / 77,198.60-106,535.98-43,206.80

Finding the Fourth Proportional to 77,198.60, 106,535.98 and 43,206.80

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Solution

The fourth proportional to 77,198.60, 106,535.98 and 43,206.80 is: 59,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,198.60 : 106,535.98 = 43,206.80 : x
  2. Step 2: Convert to fraction form
    77,198.60/106,535.98 = 43,206.80/x
  3. Step 3: Cross multiply
    77,198.60x = 106,535.98 × 43,206.80
  4. Step 4: Simplify right side
    77,198.60x = 4,603,078,780.66
  5. Step 5: Solve for x
    x = 4,603,078,780.66/77,198.60
  6. Step 6: Final answer
    x = 59,626.45

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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.