Home / 87,168.33-119,914.82-76,364.55

Finding the Fourth Proportional to 87,168.33, 119,914.82 and 76,364.55

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Solution

The fourth proportional to 87,168.33, 119,914.82 and 76,364.55 is: 105,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,168.33 : 119,914.82 = 76,364.55 : x
  2. Step 2: Convert to fraction form
    87,168.33/119,914.82 = 76,364.55/x
  3. Step 3: Cross multiply
    87,168.33x = 119,914.82 × 76,364.55
  4. Step 4: Simplify right side
    87,168.33x = 9,157,240,885.81
  5. Step 5: Solve for x
    x = 9,157,240,885.81/87,168.33
  6. Step 6: Final answer
    x = 105,052.38

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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.