Home / 62,421.72-86,135.76-35,562.64

Finding the Fourth Proportional to 62,421.72, 86,135.76 and 35,562.64

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Solution

The fourth proportional to 62,421.72, 86,135.76 and 35,562.64 is: 49,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,421.72 : 86,135.76 = 35,562.64 : x
  2. Step 2: Convert to fraction form
    62,421.72/86,135.76 = 35,562.64/x
  3. Step 3: Cross multiply
    62,421.72x = 86,135.76 × 35,562.64
  4. Step 4: Simplify right side
    62,421.72x = 3,063,215,024.01
  5. Step 5: Solve for x
    x = 3,063,215,024.01/62,421.72
  6. Step 6: Final answer
    x = 49,072.90

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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.