Home / 52,128.15-71,910.35-32,975.67

Finding the Fourth Proportional to 52,128.15, 71,910.35 and 32,975.67

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Solution

The fourth proportional to 52,128.15, 71,910.35 and 32,975.67 is: 45,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.15 : 71,910.35 = 32,975.67 : x
  2. Step 2: Convert to fraction form
    52,128.15/71,910.35 = 32,975.67/x
  3. Step 3: Cross multiply
    52,128.15x = 71,910.35 × 32,975.67
  4. Step 4: Simplify right side
    52,128.15x = 2,371,291,806.31
  5. Step 5: Solve for x
    x = 2,371,291,806.31/52,128.15
  6. Step 6: Final answer
    x = 45,489.66

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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.