Home / 56,680.64-78,219.93-32,481.12

Finding the Fourth Proportional to 56,680.64, 78,219.93 and 32,481.12

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Solution

The fourth proportional to 56,680.64, 78,219.93 and 32,481.12 is: 44,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.64 : 78,219.93 = 32,481.12 : x
  2. Step 2: Convert to fraction form
    56,680.64/78,219.93 = 32,481.12/x
  3. Step 3: Cross multiply
    56,680.64x = 78,219.93 × 32,481.12
  4. Step 4: Simplify right side
    56,680.64x = 2,540,670,932.72
  5. Step 5: Solve for x
    x = 2,540,670,932.72/56,680.64
  6. Step 6: Final answer
    x = 44,824.32

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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.