Home / 61,102.11-91,664.10-40,085.04

Finding the Fourth Proportional to 61,102.11, 91,664.10 and 40,085.04

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Solution

The fourth proportional to 61,102.11, 91,664.10 and 40,085.04 is: 60,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,102.11 : 91,664.10 = 40,085.04 : x
  2. Step 2: Convert to fraction form
    61,102.11/91,664.10 = 40,085.04/x
  3. Step 3: Cross multiply
    61,102.11x = 91,664.10 × 40,085.04
  4. Step 4: Simplify right side
    61,102.11x = 3,674,359,115.06
  5. Step 5: Solve for x
    x = 3,674,359,115.06/61,102.11
  6. Step 6: Final answer
    x = 60,134.73

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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.