Home / 84,001.62-125,958.67-39,616.45

Finding the Fourth Proportional to 84,001.62, 125,958.67 and 39,616.45

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Solution

The fourth proportional to 84,001.62, 125,958.67 and 39,616.45 is: 59,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.62 : 125,958.67 = 39,616.45 : x
  2. Step 2: Convert to fraction form
    84,001.62/125,958.67 = 39,616.45/x
  3. Step 3: Cross multiply
    84,001.62x = 125,958.67 × 39,616.45
  4. Step 4: Simplify right side
    84,001.62x = 4,990,035,451.16
  5. Step 5: Solve for x
    x = 4,990,035,451.16/84,001.62
  6. Step 6: Final answer
    x = 59,404.04

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1.5x scale

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.