Home / 55,046.52-75,965.22-31,173.12

Finding the Fourth Proportional to 55,046.52, 75,965.22 and 31,173.12

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Solution

The fourth proportional to 55,046.52, 75,965.22 and 31,173.12 is: 43,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,046.52 : 75,965.22 = 31,173.12 : x
  2. Step 2: Convert to fraction form
    55,046.52/75,965.22 = 31,173.12/x
  3. Step 3: Cross multiply
    55,046.52x = 75,965.22 × 31,173.12
  4. Step 4: Simplify right side
    55,046.52x = 2,368,072,918.89
  5. Step 5: Solve for x
    x = 2,368,072,918.89/55,046.52
  6. Step 6: Final answer
    x = 43,019.48

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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.