Home / 66,821.04-100,219.02-33,532.17

Finding the Fourth Proportional to 66,821.04, 100,219.02 and 33,532.17

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Solution

The fourth proportional to 66,821.04, 100,219.02 and 33,532.17 is: 50,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,821.04 : 100,219.02 = 33,532.17 : x
  2. Step 2: Convert to fraction form
    66,821.04/100,219.02 = 33,532.17/x
  3. Step 3: Cross multiply
    66,821.04x = 100,219.02 × 33,532.17
  4. Step 4: Simplify right side
    66,821.04x = 3,360,561,215.87
  5. Step 5: Solve for x
    x = 3,360,561,215.87/66,821.04
  6. Step 6: Final answer
    x = 50,291.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.