Home / 55,789.19-76,963.29-33,115.31

Finding the Fourth Proportional to 55,789.19, 76,963.29 and 33,115.31

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Solution

The fourth proportional to 55,789.19, 76,963.29 and 33,115.31 is: 45,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,789.19 : 76,963.29 = 33,115.31 : x
  2. Step 2: Convert to fraction form
    55,789.19/76,963.29 = 33,115.31/x
  3. Step 3: Cross multiply
    55,789.19x = 76,963.29 × 33,115.31
  4. Step 4: Simplify right side
    55,789.19x = 2,548,662,822.15
  5. Step 5: Solve for x
    x = 2,548,662,822.15/55,789.19
  6. Step 6: Final answer
    x = 45,683.82

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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.