Home / 54,153.62-74,767.22-48,478.69

Finding the Fourth Proportional to 54,153.62, 74,767.22 and 48,478.69

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Solution

The fourth proportional to 54,153.62, 74,767.22 and 48,478.69 is: 66,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,153.62 : 74,767.22 = 48,478.69 : x
  2. Step 2: Convert to fraction form
    54,153.62/74,767.22 = 48,478.69/x
  3. Step 3: Cross multiply
    54,153.62x = 74,767.22 × 48,478.69
  4. Step 4: Simplify right side
    54,153.62x = 3,624,616,880.54
  5. Step 5: Solve for x
    x = 3,624,616,880.54/54,153.62
  6. Step 6: Final answer
    x = 66,932.13

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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.