Home / 62,205.43-85,855.81-39,571.20

Finding the Fourth Proportional to 62,205.43, 85,855.81 and 39,571.20

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Solution

The fourth proportional to 62,205.43, 85,855.81 and 39,571.20 is: 54,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,205.43 : 85,855.81 = 39,571.20 : x
  2. Step 2: Convert to fraction form
    62,205.43/85,855.81 = 39,571.20/x
  3. Step 3: Cross multiply
    62,205.43x = 85,855.81 × 39,571.20
  4. Step 4: Simplify right side
    62,205.43x = 3,397,417,428.67
  5. Step 5: Solve for x
    x = 3,397,417,428.67/62,205.43
  6. Step 6: Final answer
    x = 54,616.09

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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.