Home / 92,986.26-139,394.34-40,376.76

Finding the Fourth Proportional to 92,986.26, 139,394.34 and 40,376.76

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Solution

The fourth proportional to 92,986.26, 139,394.34 and 40,376.76 is: 60,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,986.26 : 139,394.34 = 40,376.76 : x
  2. Step 2: Convert to fraction form
    92,986.26/139,394.34 = 40,376.76/x
  3. Step 3: Cross multiply
    92,986.26x = 139,394.34 × 40,376.76
  4. Step 4: Simplify right side
    92,986.26x = 5,628,291,811.54
  5. Step 5: Solve for x
    x = 5,628,291,811.54/92,986.26
  6. Step 6: Final answer
    x = 60,528.21

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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.