Home / 66,803.21-92,185.13-36,588.66

Finding the Fourth Proportional to 66,803.21, 92,185.13 and 36,588.66

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Solution

The fourth proportional to 66,803.21, 92,185.13 and 36,588.66 is: 50,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.21 : 92,185.13 = 36,588.66 : x
  2. Step 2: Convert to fraction form
    66,803.21/92,185.13 = 36,588.66/x
  3. Step 3: Cross multiply
    66,803.21x = 92,185.13 × 36,588.66
  4. Step 4: Simplify right side
    66,803.21x = 3,372,930,515.83
  5. Step 5: Solve for x
    x = 3,372,930,515.83/66,803.21
  6. Step 6: Final answer
    x = 50,490.55

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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.