Home / 66,199.62-91,281.31-62,000.58

Finding the Fourth Proportional to 66,199.62, 91,281.31 and 62,000.58

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Solution

The fourth proportional to 66,199.62, 91,281.31 and 62,000.58 is: 85,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,199.62 : 91,281.31 = 62,000.58 : x
  2. Step 2: Convert to fraction form
    66,199.62/91,281.31 = 62,000.58/x
  3. Step 3: Cross multiply
    66,199.62x = 91,281.31 × 62,000.58
  4. Step 4: Simplify right side
    66,199.62x = 5,659,494,163.16
  5. Step 5: Solve for x
    x = 5,659,494,163.16/66,199.62
  6. Step 6: Final answer
    x = 85,491.34

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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.