Home / 55,886.24-77,122.66-31,691.79

Finding the Fourth Proportional to 55,886.24, 77,122.66 and 31,691.79

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Solution

The fourth proportional to 55,886.24, 77,122.66 and 31,691.79 is: 43,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.24 : 77,122.66 = 31,691.79 : x
  2. Step 2: Convert to fraction form
    55,886.24/77,122.66 = 31,691.79/x
  3. Step 3: Cross multiply
    55,886.24x = 77,122.66 × 31,691.79
  4. Step 4: Simplify right side
    55,886.24x = 2,444,155,036.02
  5. Step 5: Solve for x
    x = 2,444,155,036.02/55,886.24
  6. Step 6: Final answer
    x = 43,734.47

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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.