Home / 68,985.42-95,200.26-40,306.77

Finding the Fourth Proportional to 68,985.42, 95,200.26 and 40,306.77

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Solution

The fourth proportional to 68,985.42, 95,200.26 and 40,306.77 is: 55,623.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,985.42 : 95,200.26 = 40,306.77 : x
  2. Step 2: Convert to fraction form
    68,985.42/95,200.26 = 40,306.77/x
  3. Step 3: Cross multiply
    68,985.42x = 95,200.26 × 40,306.77
  4. Step 4: Simplify right side
    68,985.42x = 3,837,214,507.76
  5. Step 5: Solve for x
    x = 3,837,214,507.76/68,985.42
  6. Step 6: Final answer
    x = 55,623.56

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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.