Home / 54,216.06-74,841.78-38,913.54

Finding the Fourth Proportional to 54,216.06, 74,841.78 and 38,913.54

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Solution

The fourth proportional to 54,216.06, 74,841.78 and 38,913.54 is: 53,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.06 : 74,841.78 = 38,913.54 : x
  2. Step 2: Convert to fraction form
    54,216.06/74,841.78 = 38,913.54/x
  3. Step 3: Cross multiply
    54,216.06x = 74,841.78 × 38,913.54
  4. Step 4: Simplify right side
    54,216.06x = 2,912,358,599.70
  5. Step 5: Solve for x
    x = 2,912,358,599.70/54,216.06
  6. Step 6: Final answer
    x = 53,717.64

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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.