Home / 56,695.87-85,071.48-40,162.15

Finding the Fourth Proportional to 56,695.87, 85,071.48 and 40,162.15

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Solution

The fourth proportional to 56,695.87, 85,071.48 and 40,162.15 is: 60,262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,695.87 : 85,071.48 = 40,162.15 : x
  2. Step 2: Convert to fraction form
    56,695.87/85,071.48 = 40,162.15/x
  3. Step 3: Cross multiply
    56,695.87x = 85,071.48 × 40,162.15
  4. Step 4: Simplify right side
    56,695.87x = 3,416,653,540.48
  5. Step 5: Solve for x
    x = 3,416,653,540.48/56,695.87
  6. Step 6: Final answer
    x = 60,262.83

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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.