Home / 54,148.08-74,725.91-30,274.82

Finding the Fourth Proportional to 54,148.08, 74,725.91 and 30,274.82

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Solution

The fourth proportional to 54,148.08, 74,725.91 and 30,274.82 is: 41,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,148.08 : 74,725.91 = 30,274.82 : x
  2. Step 2: Convert to fraction form
    54,148.08/74,725.91 = 30,274.82/x
  3. Step 3: Cross multiply
    54,148.08x = 74,725.91 × 30,274.82
  4. Step 4: Simplify right side
    54,148.08x = 2,262,313,474.59
  5. Step 5: Solve for x
    x = 2,262,313,474.59/54,148.08
  6. Step 6: Final answer
    x = 41,780.12

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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.