Home / 60,439.88-83,380.24-40,277.12

Finding the Fourth Proportional to 60,439.88, 83,380.24 and 40,277.12

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Solution

The fourth proportional to 60,439.88, 83,380.24 and 40,277.12 is: 55,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,439.88 : 83,380.24 = 40,277.12 : x
  2. Step 2: Convert to fraction form
    60,439.88/83,380.24 = 40,277.12/x
  3. Step 3: Cross multiply
    60,439.88x = 83,380.24 × 40,277.12
  4. Step 4: Simplify right side
    60,439.88x = 3,358,315,932.11
  5. Step 5: Solve for x
    x = 3,358,315,932.11/60,439.88
  6. Step 6: Final answer
    x = 55,564.57

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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.