Home / 55,724.41-83,717.84-45,401.77

Finding the Fourth Proportional to 55,724.41, 83,717.84 and 45,401.77

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Solution

The fourth proportional to 55,724.41, 83,717.84 and 45,401.77 is: 68,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724.41 : 83,717.84 = 45,401.77 : x
  2. Step 2: Convert to fraction form
    55,724.41/83,717.84 = 45,401.77/x
  3. Step 3: Cross multiply
    55,724.41x = 83,717.84 × 45,401.77
  4. Step 4: Simplify right side
    55,724.41x = 3,800,938,079.34
  5. Step 5: Solve for x
    x = 3,800,938,079.34/55,724.41
  6. Step 6: Final answer
    x = 68,209.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.