Home / 65,450.16-90,314.66-36,773.12

Finding the Fourth Proportional to 65,450.16, 90,314.66 and 36,773.12

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Solution

The fourth proportional to 65,450.16, 90,314.66 and 36,773.12 is: 50,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,450.16 : 90,314.66 = 36,773.12 : x
  2. Step 2: Convert to fraction form
    65,450.16/90,314.66 = 36,773.12/x
  3. Step 3: Cross multiply
    65,450.16x = 90,314.66 × 36,773.12
  4. Step 4: Simplify right side
    65,450.16x = 3,321,152,147.66
  5. Step 5: Solve for x
    x = 3,321,152,147.66/65,450.16
  6. Step 6: Final answer
    x = 50,743.22

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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.