Home / 54,395.56-75,065.70-30,522.34

Finding the Fourth Proportional to 54,395.56, 75,065.70 and 30,522.34

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Solution

The fourth proportional to 54,395.56, 75,065.70 and 30,522.34 is: 42,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395.56 : 75,065.70 = 30,522.34 : x
  2. Step 2: Convert to fraction form
    54,395.56/75,065.70 = 30,522.34/x
  3. Step 3: Cross multiply
    54,395.56x = 75,065.70 × 30,522.34
  4. Step 4: Simplify right side
    54,395.56x = 2,291,180,817.74
  5. Step 5: Solve for x
    x = 2,291,180,817.74/54,395.56
  6. Step 6: Final answer
    x = 42,120.73

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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.