Home / 80,502.08-120,749.88-41,058.32

Finding the Fourth Proportional to 80,502.08, 120,749.88 and 41,058.32

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Solution

The fourth proportional to 80,502.08, 120,749.88 and 41,058.32 is: 61,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,502.08 : 120,749.88 = 41,058.32 : x
  2. Step 2: Convert to fraction form
    80,502.08/120,749.88 = 41,058.32/x
  3. Step 3: Cross multiply
    80,502.08x = 120,749.88 × 41,058.32
  4. Step 4: Simplify right side
    80,502.08x = 4,957,787,213.00
  5. Step 5: Solve for x
    x = 4,957,787,213.00/80,502.08
  6. Step 6: Final answer
    x = 61,585.83

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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.