Home / 66,963.42-92,471.76-43,131.06

Finding the Fourth Proportional to 66,963.42, 92,471.76 and 43,131.06

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Solution

The fourth proportional to 66,963.42, 92,471.76 and 43,131.06 is: 59,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,963.42 : 92,471.76 = 43,131.06 : x
  2. Step 2: Convert to fraction form
    66,963.42/92,471.76 = 43,131.06/x
  3. Step 3: Cross multiply
    66,963.42x = 92,471.76 × 43,131.06
  4. Step 4: Simplify right side
    66,963.42x = 3,988,405,028.87
  5. Step 5: Solve for x
    x = 3,988,405,028.87/66,963.42
  6. Step 6: Final answer
    x = 59,560.95

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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.