Home / 66,212.56-91,466.20-60,233.68

Finding the Fourth Proportional to 66,212.56, 91,466.20 and 60,233.68

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Solution

The fourth proportional to 66,212.56, 91,466.20 and 60,233.68 is: 83,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.56 : 91,466.20 = 60,233.68 : x
  2. Step 2: Convert to fraction form
    66,212.56/91,466.20 = 60,233.68/x
  3. Step 3: Cross multiply
    66,212.56x = 91,466.20 × 60,233.68
  4. Step 4: Simplify right side
    66,212.56x = 5,509,345,821.62
  5. Step 5: Solve for x
    x = 5,509,345,821.62/66,212.56
  6. Step 6: Final answer
    x = 83,206.96

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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.