Home / 56,224.32-77,431.52-54,999.60

Finding the Fourth Proportional to 56,224.32, 77,431.52 and 54,999.60

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Solution

The fourth proportional to 56,224.32, 77,431.52 and 54,999.60 is: 75,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,224.32 : 77,431.52 = 54,999.60 : x
  2. Step 2: Convert to fraction form
    56,224.32/77,431.52 = 54,999.60/x
  3. Step 3: Cross multiply
    56,224.32x = 77,431.52 × 54,999.60
  4. Step 4: Simplify right side
    56,224.32x = 4,258,702,627.39
  5. Step 5: Solve for x
    x = 4,258,702,627.39/56,224.32
  6. Step 6: Final answer
    x = 75,744.85

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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.