Home / 66,052.20-91,150.02-47,220.84

Finding the Fourth Proportional to 66,052.20, 91,150.02 and 47,220.84

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Solution

The fourth proportional to 66,052.20, 91,150.02 and 47,220.84 is: 65,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052.20 : 91,150.02 = 47,220.84 : x
  2. Step 2: Convert to fraction form
    66,052.20/91,150.02 = 47,220.84/x
  3. Step 3: Cross multiply
    66,052.20x = 91,150.02 × 47,220.84
  4. Step 4: Simplify right side
    66,052.20x = 4,304,180,510.42
  5. Step 5: Solve for x
    x = 4,304,180,510.42/66,052.20
  6. Step 6: Final answer
    x = 65,163.32

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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.