Home / 55,778.54-77,125.92-54,877.26

Finding the Fourth Proportional to 55,778.54, 77,125.92 and 54,877.26

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Solution

The fourth proportional to 55,778.54, 77,125.92 and 54,877.26 is: 75,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.54 : 77,125.92 = 54,877.26 : x
  2. Step 2: Convert to fraction form
    55,778.54/77,125.92 = 54,877.26/x
  3. Step 3: Cross multiply
    55,778.54x = 77,125.92 × 54,877.26
  4. Step 4: Simplify right side
    55,778.54x = 4,232,459,164.58
  5. Step 5: Solve for x
    x = 4,232,459,164.58/55,778.54
  6. Step 6: Final answer
    x = 75,879.71

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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.