Home / 66,396.55-91,626.10-36,182.13

Finding the Fourth Proportional to 66,396.55, 91,626.10 and 36,182.13

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Solution

The fourth proportional to 66,396.55, 91,626.10 and 36,182.13 is: 49,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.55 : 91,626.10 = 36,182.13 : x
  2. Step 2: Convert to fraction form
    66,396.55/91,626.10 = 36,182.13/x
  3. Step 3: Cross multiply
    66,396.55x = 91,626.10 × 36,182.13
  4. Step 4: Simplify right side
    66,396.55x = 3,315,227,690.66
  5. Step 5: Solve for x
    x = 3,315,227,690.66/66,396.55
  6. Step 6: Final answer
    x = 49,930.72

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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.