Home / 71,971.08-99,287.96-41,738.87

Finding the Fourth Proportional to 71,971.08, 99,287.96 and 41,738.87

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Solution

The fourth proportional to 71,971.08, 99,287.96 and 41,738.87 is: 57,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,971.08 : 99,287.96 = 41,738.87 : x
  2. Step 2: Convert to fraction form
    71,971.08/99,287.96 = 41,738.87/x
  3. Step 3: Cross multiply
    71,971.08x = 99,287.96 × 41,738.87
  4. Step 4: Simplify right side
    71,971.08x = 4,144,167,255.01
  5. Step 5: Solve for x
    x = 4,144,167,255.01/71,971.08
  6. Step 6: Final answer
    x = 57,581.01

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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.