Home / 55,933.75-77,171.17-31,730.71

Finding the Fourth Proportional to 55,933.75, 77,171.17 and 31,730.71

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Solution

The fourth proportional to 55,933.75, 77,171.17 and 31,730.71 is: 43,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.75 : 77,171.17 = 31,730.71 : x
  2. Step 2: Convert to fraction form
    55,933.75/77,171.17 = 31,730.71/x
  3. Step 3: Cross multiply
    55,933.75x = 77,171.17 × 31,730.71
  4. Step 4: Simplify right side
    55,933.75x = 2,448,696,032.77
  5. Step 5: Solve for x
    x = 2,448,696,032.77/55,933.75
  6. Step 6: Final answer
    x = 43,778.51

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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.