Home / 45,353.40-67,687.09-44,172.42

Finding the Fourth Proportional to 45,353.40, 67,687.09 and 44,172.42

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Solution

The fourth proportional to 45,353.40, 67,687.09 and 44,172.42 is: 65,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353.40 : 67,687.09 = 44,172.42 : x
  2. Step 2: Convert to fraction form
    45,353.40/67,687.09 = 44,172.42/x
  3. Step 3: Cross multiply
    45,353.40x = 67,687.09 × 44,172.42
  4. Step 4: Simplify right side
    45,353.40x = 2,989,902,568.06
  5. Step 5: Solve for x
    x = 2,989,902,568.06/45,353.40
  6. Step 6: Final answer
    x = 65,924.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.