Home / 63,060.57-86,974.34-40,401.66

Finding the Fourth Proportional to 63,060.57, 86,974.34 and 40,401.66

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Solution

The fourth proportional to 63,060.57, 86,974.34 and 40,401.66 is: 55,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,060.57 : 86,974.34 = 40,401.66 : x
  2. Step 2: Convert to fraction form
    63,060.57/86,974.34 = 40,401.66/x
  3. Step 3: Cross multiply
    63,060.57x = 86,974.34 × 40,401.66
  4. Step 4: Simplify right side
    63,060.57x = 3,513,907,814.41
  5. Step 5: Solve for x
    x = 3,513,907,814.41/63,060.57
  6. Step 6: Final answer
    x = 55,722.74

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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.