Home / 65,475.24-90,352.90-38,253.84

Finding the Fourth Proportional to 65,475.24, 90,352.90 and 38,253.84

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Solution

The fourth proportional to 65,475.24, 90,352.90 and 38,253.84 is: 52,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,475.24 : 90,352.90 = 38,253.84 : x
  2. Step 2: Convert to fraction form
    65,475.24/90,352.90 = 38,253.84/x
  3. Step 3: Cross multiply
    65,475.24x = 90,352.90 × 38,253.84
  4. Step 4: Simplify right side
    65,475.24x = 3,456,345,380.14
  5. Step 5: Solve for x
    x = 3,456,345,380.14/65,475.24
  6. Step 6: Final answer
    x = 52,788.59

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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.