Home / 60,777.27-83,835.45-40,360.28

Finding the Fourth Proportional to 60,777.27, 83,835.45 and 40,360.28

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Solution

The fourth proportional to 60,777.27, 83,835.45 and 40,360.28 is: 55,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,777.27 : 83,835.45 = 40,360.28 : x
  2. Step 2: Convert to fraction form
    60,777.27/83,835.45 = 40,360.28/x
  3. Step 3: Cross multiply
    60,777.27x = 83,835.45 × 40,360.28
  4. Step 4: Simplify right side
    60,777.27x = 3,383,621,816.75
  5. Step 5: Solve for x
    x = 3,383,621,816.75/60,777.27
  6. Step 6: Final answer
    x = 55,672.49

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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.