Home / 87,850.53-121,233.56-47,564.33

Finding the Fourth Proportional to 87,850.53, 121,233.56 and 47,564.33

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Solution

The fourth proportional to 87,850.53, 121,233.56 and 47,564.33 is: 65,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.53 : 121,233.56 = 47,564.33 : x
  2. Step 2: Convert to fraction form
    87,850.53/121,233.56 = 47,564.33/x
  3. Step 3: Cross multiply
    87,850.53x = 121,233.56 × 47,564.33
  4. Step 4: Simplify right side
    87,850.53x = 5,766,392,210.93
  5. Step 5: Solve for x
    x = 5,766,392,210.93/87,850.53
  6. Step 6: Final answer
    x = 65,638.67

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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.