Home / 82,543.44-113,654.88-64,467.16

Finding the Fourth Proportional to 82,543.44, 113,654.88 and 64,467.16

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Solution

The fourth proportional to 82,543.44, 113,654.88 and 64,467.16 is: 88,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,543.44 : 113,654.88 = 64,467.16 : x
  2. Step 2: Convert to fraction form
    82,543.44/113,654.88 = 64,467.16/x
  3. Step 3: Cross multiply
    82,543.44x = 113,654.88 × 64,467.16
  4. Step 4: Simplify right side
    82,543.44x = 7,327,007,333.74
  5. Step 5: Solve for x
    x = 7,327,007,333.74/82,543.44
  6. Step 6: Final answer
    x = 88,765.47

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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.