Home / 45,231.45-67,853.37-15,641.34

Finding the Fourth Proportional to 45,231.45, 67,853.37 and 15,641.34

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Solution

The fourth proportional to 45,231.45, 67,853.37 and 15,641.34 is: 23,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.45 : 67,853.37 = 15,641.34 : x
  2. Step 2: Convert to fraction form
    45,231.45/67,853.37 = 15,641.34/x
  3. Step 3: Cross multiply
    45,231.45x = 67,853.37 × 15,641.34
  4. Step 4: Simplify right side
    45,231.45x = 1,061,317,630.32
  5. Step 5: Solve for x
    x = 1,061,317,630.32/45,231.45
  6. Step 6: Final answer
    x = 23,464.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.