Home / 77,127.91-106,436.21-43,136.26

Finding the Fourth Proportional to 77,127.91, 106,436.21 and 43,136.26

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Solution

The fourth proportional to 77,127.91, 106,436.21 and 43,136.26 is: 59,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127.91 : 106,436.21 = 43,136.26 : x
  2. Step 2: Convert to fraction form
    77,127.91/106,436.21 = 43,136.26/x
  3. Step 3: Cross multiply
    77,127.91x = 106,436.21 × 43,136.26
  4. Step 4: Simplify right side
    77,127.91x = 4,591,259,546.20
  5. Step 5: Solve for x
    x = 4,591,259,546.20/77,127.91
  6. Step 6: Final answer
    x = 59,527.86

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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.