Home / 62,409.72-86,126.16-34,115.42

Finding the Fourth Proportional to 62,409.72, 86,126.16 and 34,115.42

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Solution

The fourth proportional to 62,409.72, 86,126.16 and 34,115.42 is: 47,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,409.72 : 86,126.16 = 34,115.42 : x
  2. Step 2: Convert to fraction form
    62,409.72/86,126.16 = 34,115.42/x
  3. Step 3: Cross multiply
    62,409.72x = 86,126.16 × 34,115.42
  4. Step 4: Simplify right side
    62,409.72x = 2,938,229,690.76
  5. Step 5: Solve for x
    x = 2,938,229,690.76/62,409.72
  6. Step 6: Final answer
    x = 47,079.68

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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.