Home / 96,850.76-133,639.50-54,401.16

Finding the Fourth Proportional to 96,850.76, 133,639.50 and 54,401.16

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Solution

The fourth proportional to 96,850.76, 133,639.50 and 54,401.16 is: 75,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,850.76 : 133,639.50 = 54,401.16 : x
  2. Step 2: Convert to fraction form
    96,850.76/133,639.50 = 54,401.16/x
  3. Step 3: Cross multiply
    96,850.76x = 133,639.50 × 54,401.16
  4. Step 4: Simplify right side
    96,850.76x = 7,270,143,821.82
  5. Step 5: Solve for x
    x = 7,270,143,821.82/96,850.76
  6. Step 6: Final answer
    x = 75,065.43

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1.5x scale

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.