Home / 56,680.44-85,176.18-53,459.88

Finding the Fourth Proportional to 56,680.44, 85,176.18 and 53,459.88

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Solution

The fourth proportional to 56,680.44, 85,176.18 and 53,459.88 is: 80,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680.44 : 85,176.18 = 53,459.88 : x
  2. Step 2: Convert to fraction form
    56,680.44/85,176.18 = 53,459.88/x
  3. Step 3: Cross multiply
    56,680.44x = 85,176.18 × 53,459.88
  4. Step 4: Simplify right side
    56,680.44x = 4,553,508,361.66
  5. Step 5: Solve for x
    x = 4,553,508,361.66/56,680.44
  6. Step 6: Final answer
    x = 80,336.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.