Home / 54,076.39-74,624.62-30,203.40

Finding the Fourth Proportional to 54,076.39, 74,624.62 and 30,203.40

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Solution

The fourth proportional to 54,076.39, 74,624.62 and 30,203.40 is: 41,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,076.39 : 74,624.62 = 30,203.40 : x
  2. Step 2: Convert to fraction form
    54,076.39/74,624.62 = 30,203.40/x
  3. Step 3: Cross multiply
    54,076.39x = 74,624.62 × 30,203.40
  4. Step 4: Simplify right side
    54,076.39x = 2,253,917,247.71
  5. Step 5: Solve for x
    x = 2,253,917,247.71/54,076.39
  6. Step 6: Final answer
    x = 41,680.25

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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.