Home / 48,705.45-73,058.90-13,642.89

Finding the Fourth Proportional to 48,705.45, 73,058.90 and 13,642.89

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Solution

The fourth proportional to 48,705.45, 73,058.90 and 13,642.89 is: 20,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,705.45 : 73,058.90 = 13,642.89 : x
  2. Step 2: Convert to fraction form
    48,705.45/73,058.90 = 13,642.89/x
  3. Step 3: Cross multiply
    48,705.45x = 73,058.90 × 13,642.89
  4. Step 4: Simplify right side
    48,705.45x = 996,734,468.01
  5. Step 5: Solve for x
    x = 996,734,468.01/48,705.45
  6. Step 6: Final answer
    x = 20,464.54

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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.