Home / 71,865.81-99,165.60-41,650.92

Finding the Fourth Proportional to 71,865.81, 99,165.60 and 41,650.92

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Solution

The fourth proportional to 71,865.81, 99,165.60 and 41,650.92 is: 57,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,865.81 : 99,165.60 = 41,650.92 : x
  2. Step 2: Convert to fraction form
    71,865.81/99,165.60 = 41,650.92/x
  3. Step 3: Cross multiply
    71,865.81x = 99,165.60 × 41,650.92
  4. Step 4: Simplify right side
    71,865.81x = 4,130,338,472.35
  5. Step 5: Solve for x
    x = 4,130,338,472.35/71,865.81
  6. Step 6: Final answer
    x = 57,472.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.