Home / 55,845.73-77,067.15-31,972.57

Finding the Fourth Proportional to 55,845.73, 77,067.15 and 31,972.57

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Solution

The fourth proportional to 55,845.73, 77,067.15 and 31,972.57 is: 44,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.73 : 77,067.15 = 31,972.57 : x
  2. Step 2: Convert to fraction form
    55,845.73/77,067.15 = 31,972.57/x
  3. Step 3: Cross multiply
    55,845.73x = 77,067.15 × 31,972.57
  4. Step 4: Simplify right side
    55,845.73x = 2,464,034,969.01
  5. Step 5: Solve for x
    x = 2,464,034,969.01/55,845.73
  6. Step 6: Final answer
    x = 44,122.17

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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.