Home / 54,433.06-75,115.70-30,560.74

Finding the Fourth Proportional to 54,433.06, 75,115.70 and 30,560.74

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Solution

The fourth proportional to 54,433.06, 75,115.70 and 30,560.74 is: 42,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.06 : 75,115.70 = 30,560.74 : x
  2. Step 2: Convert to fraction form
    54,433.06/75,115.70 = 30,560.74/x
  3. Step 3: Cross multiply
    54,433.06x = 75,115.70 × 30,560.74
  4. Step 4: Simplify right side
    54,433.06x = 2,295,591,224.81
  5. Step 5: Solve for x
    x = 2,295,591,224.81/54,433.06
  6. Step 6: Final answer
    x = 42,172.74

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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.