Home / 61,723.17-85,214.68-39,081.57

Finding the Fourth Proportional to 61,723.17, 85,214.68 and 39,081.57

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Solution

The fourth proportional to 61,723.17, 85,214.68 and 39,081.57 is: 53,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,723.17 : 85,214.68 = 39,081.57 : x
  2. Step 2: Convert to fraction form
    61,723.17/85,214.68 = 39,081.57/x
  3. Step 3: Cross multiply
    61,723.17x = 85,214.68 × 39,081.57
  4. Step 4: Simplify right side
    61,723.17x = 3,330,323,481.45
  5. Step 5: Solve for x
    x = 3,330,323,481.45/61,723.17
  6. Step 6: Final answer
    x = 53,955.81

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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.