Home / 78,024.24-117,035.82-40,564.98

Finding the Fourth Proportional to 78,024.24, 117,035.82 and 40,564.98

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Solution

The fourth proportional to 78,024.24, 117,035.82 and 40,564.98 is: 60,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,024.24 : 117,035.82 = 40,564.98 : x
  2. Step 2: Convert to fraction form
    78,024.24/117,035.82 = 40,564.98/x
  3. Step 3: Cross multiply
    78,024.24x = 117,035.82 × 40,564.98
  4. Step 4: Simplify right side
    78,024.24x = 4,747,555,697.58
  5. Step 5: Solve for x
    x = 4,747,555,697.58/78,024.24
  6. Step 6: Final answer
    x = 60,847.19

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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.