Home / 66,395.72-91,625.26-36,182.36

Finding the Fourth Proportional to 66,395.72, 91,625.26 and 36,182.36

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Solution

The fourth proportional to 66,395.72, 91,625.26 and 36,182.36 is: 49,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,395.72 : 91,625.26 = 36,182.36 : x
  2. Step 2: Convert to fraction form
    66,395.72/91,625.26 = 36,182.36/x
  3. Step 3: Cross multiply
    66,395.72x = 91,625.26 × 36,182.36
  4. Step 4: Simplify right side
    66,395.72x = 3,315,218,142.41
  5. Step 5: Solve for x
    x = 3,315,218,142.41/66,395.72
  6. Step 6: Final answer
    x = 49,931.20

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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.