Home / 80,501.08-120,748.38-41,057.32

Finding the Fourth Proportional to 80,501.08, 120,748.38 and 41,057.32

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Solution

The fourth proportional to 80,501.08, 120,748.38 and 41,057.32 is: 61,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.08 : 120,748.38 = 41,057.32 : x
  2. Step 2: Convert to fraction form
    80,501.08/120,748.38 = 41,057.32/x
  3. Step 3: Cross multiply
    80,501.08x = 120,748.38 × 41,057.32
  4. Step 4: Simplify right side
    80,501.08x = 4,957,604,877.14
  5. Step 5: Solve for x
    x = 4,957,604,877.14/80,501.08
  6. Step 6: Final answer
    x = 61,584.33

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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.