Home / 92,943.35-139,336.64-40,313.19

Finding the Fourth Proportional to 92,943.35, 139,336.64 and 40,313.19

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Solution

The fourth proportional to 92,943.35, 139,336.64 and 40,313.19 is: 60,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,943.35 : 139,336.64 = 40,313.19 : x
  2. Step 2: Convert to fraction form
    92,943.35/139,336.64 = 40,313.19/x
  3. Step 3: Cross multiply
    92,943.35x = 139,336.64 × 40,313.19
  4. Step 4: Simplify right side
    92,943.35x = 5,617,104,240.72
  5. Step 5: Solve for x
    x = 5,617,104,240.72/92,943.35
  6. Step 6: Final answer
    x = 60,435.79

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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.