Home / 59,629.77-82,272.51-39,480.21

Finding the Fourth Proportional to 59,629.77, 82,272.51 and 39,480.21

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Solution

The fourth proportional to 59,629.77, 82,272.51 and 39,480.21 is: 54,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,629.77 : 82,272.51 = 39,480.21 : x
  2. Step 2: Convert to fraction form
    59,629.77/82,272.51 = 39,480.21/x
  3. Step 3: Cross multiply
    59,629.77x = 82,272.51 × 39,480.21
  4. Step 4: Simplify right side
    59,629.77x = 3,248,135,972.03
  5. Step 5: Solve for x
    x = 3,248,135,972.03/59,629.77
  6. Step 6: Final answer
    x = 54,471.72

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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.