Home / 54,171.10-74,750.88-31,508.92

Finding the Fourth Proportional to 54,171.10, 74,750.88 and 31,508.92

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Solution

The fourth proportional to 54,171.10, 74,750.88 and 31,508.92 is: 43,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.10 : 74,750.88 = 31,508.92 : x
  2. Step 2: Convert to fraction form
    54,171.10/74,750.88 = 31,508.92/x
  3. Step 3: Cross multiply
    54,171.10x = 74,750.88 × 31,508.92
  4. Step 4: Simplify right side
    54,171.10x = 2,355,319,497.85
  5. Step 5: Solve for x
    x = 2,355,319,497.85/54,171.10
  6. Step 6: Final answer
    x = 43,479.26

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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.