Home / 57,186.77-85,685.30-40,463.91

Finding the Fourth Proportional to 57,186.77, 85,685.30 and 40,463.91

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Solution

The fourth proportional to 57,186.77, 85,685.30 and 40,463.91 is: 60,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,186.77 : 85,685.30 = 40,463.91 : x
  2. Step 2: Convert to fraction form
    57,186.77/85,685.30 = 40,463.91/x
  3. Step 3: Cross multiply
    57,186.77x = 85,685.30 × 40,463.91
  4. Step 4: Simplify right side
    57,186.77x = 3,467,162,267.52
  5. Step 5: Solve for x
    x = 3,467,162,267.52/57,186.77
  6. Step 6: Final answer
    x = 60,628.75

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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.