Home / 92,735.64-139,021.38-40,116.42

Finding the Fourth Proportional to 92,735.64, 139,021.38 and 40,116.42

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Solution

The fourth proportional to 92,735.64, 139,021.38 and 40,116.42 is: 60,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,735.64 : 139,021.38 = 40,116.42 : x
  2. Step 2: Convert to fraction form
    92,735.64/139,021.38 = 40,116.42/x
  3. Step 3: Cross multiply
    92,735.64x = 139,021.38 × 40,116.42
  4. Step 4: Simplify right side
    92,735.64x = 5,577,040,069.06
  5. Step 5: Solve for x
    x = 5,577,040,069.06/92,735.64
  6. Step 6: Final answer
    x = 60,139.12

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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.