Home / 57,800.70-86,553.09-40,006.76

Finding the Fourth Proportional to 57,800.70, 86,553.09 and 40,006.76

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Solution

The fourth proportional to 57,800.70, 86,553.09 and 40,006.76 is: 59,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.70 : 86,553.09 = 40,006.76 : x
  2. Step 2: Convert to fraction form
    57,800.70/86,553.09 = 40,006.76/x
  3. Step 3: Cross multiply
    57,800.70x = 86,553.09 × 40,006.76
  4. Step 4: Simplify right side
    57,800.70x = 3,462,708,266.12
  5. Step 5: Solve for x
    x = 3,462,708,266.12/57,800.70
  6. Step 6: Final answer
    x = 59,907.72

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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.