Home / 69,861.20-96,408.45-38,030.33

Finding the Fourth Proportional to 69,861.20, 96,408.45 and 38,030.33

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Solution

The fourth proportional to 69,861.20, 96,408.45 and 38,030.33 is: 52,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,861.20 : 96,408.45 = 38,030.33 : x
  2. Step 2: Convert to fraction form
    69,861.20/96,408.45 = 38,030.33/x
  3. Step 3: Cross multiply
    69,861.20x = 96,408.45 × 38,030.33
  4. Step 4: Simplify right side
    69,861.20x = 3,666,444,686.25
  5. Step 5: Solve for x
    x = 3,666,444,686.25/69,861.20
  6. Step 6: Final answer
    x = 52,481.85

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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.