Home / 66,339.36-91,550.24-37,658.56

Finding the Fourth Proportional to 66,339.36, 91,550.24 and 37,658.56

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Solution

The fourth proportional to 66,339.36, 91,550.24 and 37,658.56 is: 51,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,339.36 : 91,550.24 = 37,658.56 : x
  2. Step 2: Convert to fraction form
    66,339.36/91,550.24 = 37,658.56/x
  3. Step 3: Cross multiply
    66,339.36x = 91,550.24 × 37,658.56
  4. Step 4: Simplify right side
    66,339.36x = 3,447,650,206.05
  5. Step 5: Solve for x
    x = 3,447,650,206.05/66,339.36
  6. Step 6: Final answer
    x = 51,969.90

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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.