Home / 66,451.18-91,704.93-37,772.04

Finding the Fourth Proportional to 66,451.18, 91,704.93 and 37,772.04

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Solution

The fourth proportional to 66,451.18, 91,704.93 and 37,772.04 is: 52,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451.18 : 91,704.93 = 37,772.04 : x
  2. Step 2: Convert to fraction form
    66,451.18/91,704.93 = 37,772.04/x
  3. Step 3: Cross multiply
    66,451.18x = 91,704.93 × 37,772.04
  4. Step 4: Simplify right side
    66,451.18x = 3,463,882,228.49
  5. Step 5: Solve for x
    x = 3,463,882,228.49/66,451.18
  6. Step 6: Final answer
    x = 52,126.72

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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.