Home / 55,718.28-76,890.47-31,844.44

Finding the Fourth Proportional to 55,718.28, 76,890.47 and 31,844.44

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Solution

The fourth proportional to 55,718.28, 76,890.47 and 31,844.44 is: 43,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,718.28 : 76,890.47 = 31,844.44 : x
  2. Step 2: Convert to fraction form
    55,718.28/76,890.47 = 31,844.44/x
  3. Step 3: Cross multiply
    55,718.28x = 76,890.47 × 31,844.44
  4. Step 4: Simplify right side
    55,718.28x = 2,448,533,895.38
  5. Step 5: Solve for x
    x = 2,448,533,895.38/55,718.28
  6. Step 6: Final answer
    x = 43,944.89

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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.