Home / 55,747.22-76,928.47-31,876.52

Finding the Fourth Proportional to 55,747.22, 76,928.47 and 31,876.52

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Solution

The fourth proportional to 55,747.22, 76,928.47 and 31,876.52 is: 43,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.22 : 76,928.47 = 31,876.52 : x
  2. Step 2: Convert to fraction form
    55,747.22/76,928.47 = 31,876.52/x
  3. Step 3: Cross multiply
    55,747.22x = 76,928.47 × 31,876.52
  4. Step 4: Simplify right side
    55,747.22x = 2,452,211,448.19
  5. Step 5: Solve for x
    x = 2,452,211,448.19/55,747.22
  6. Step 6: Final answer
    x = 43,988.05

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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.