Home / 65,460.75-90,328.23-36,776.43

Finding the Fourth Proportional to 65,460.75, 90,328.23 and 36,776.43

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Solution

The fourth proportional to 65,460.75, 90,328.23 and 36,776.43 is: 50,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,460.75 : 90,328.23 = 36,776.43 : x
  2. Step 2: Convert to fraction form
    65,460.75/90,328.23 = 36,776.43/x
  3. Step 3: Cross multiply
    65,460.75x = 90,328.23 × 36,776.43
  4. Step 4: Simplify right side
    65,460.75x = 3,321,949,827.62
  5. Step 5: Solve for x
    x = 3,321,949,827.62/65,460.75
  6. Step 6: Final answer
    x = 50,747.20

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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.