Home / 56,688.20-84,935.10-36,956.60

Finding the Fourth Proportional to 56,688.20, 84,935.10 and 36,956.60

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Solution

The fourth proportional to 56,688.20, 84,935.10 and 36,956.60 is: 55,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.20 : 84,935.10 = 36,956.60 : x
  2. Step 2: Convert to fraction form
    56,688.20/84,935.10 = 36,956.60/x
  3. Step 3: Cross multiply
    56,688.20x = 84,935.10 × 36,956.60
  4. Step 4: Simplify right side
    56,688.20x = 3,138,912,516.66
  5. Step 5: Solve for x
    x = 3,138,912,516.66/56,688.20
  6. Step 6: Final answer
    x = 55,371.53

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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.