Home / 56,138.20-77,444.32-33,464.28

Finding the Fourth Proportional to 56,138.20, 77,444.32 and 33,464.28

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Solution

The fourth proportional to 56,138.20, 77,444.32 and 33,464.28 is: 46,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.20 : 77,444.32 = 33,464.28 : x
  2. Step 2: Convert to fraction form
    56,138.20/77,444.32 = 33,464.28/x
  3. Step 3: Cross multiply
    56,138.20x = 77,444.32 × 33,464.28
  4. Step 4: Simplify right side
    56,138.20x = 2,591,618,408.89
  5. Step 5: Solve for x
    x = 2,591,618,408.89/56,138.20
  6. Step 6: Final answer
    x = 46,164.97

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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.