Home / 55,655.57-83,348.06-28,917.47

Finding the Fourth Proportional to 55,655.57, 83,348.06 and 28,917.47

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Solution

The fourth proportional to 55,655.57, 83,348.06 and 28,917.47 is: 43,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.57 : 83,348.06 = 28,917.47 : x
  2. Step 2: Convert to fraction form
    55,655.57/83,348.06 = 28,917.47/x
  3. Step 3: Cross multiply
    55,655.57x = 83,348.06 × 28,917.47
  4. Step 4: Simplify right side
    55,655.57x = 2,410,215,088.39
  5. Step 5: Solve for x
    x = 2,410,215,088.39/55,655.57
  6. Step 6: Final answer
    x = 43,305.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.