Home / 62,811.09-86,679.31-34,516.78

Finding the Fourth Proportional to 62,811.09, 86,679.31 and 34,516.78

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Solution

The fourth proportional to 62,811.09, 86,679.31 and 34,516.78 is: 47,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,811.09 : 86,679.31 = 34,516.78 : x
  2. Step 2: Convert to fraction form
    62,811.09/86,679.31 = 34,516.78/x
  3. Step 3: Cross multiply
    62,811.09x = 86,679.31 × 34,516.78
  4. Step 4: Simplify right side
    62,811.09x = 2,991,890,825.32
  5. Step 5: Solve for x
    x = 2,991,890,825.32/62,811.09
  6. Step 6: Final answer
    x = 47,633.16

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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.