Home / 92,909.43-139,364.15-40,317.75

Finding the Fourth Proportional to 92,909.43, 139,364.15 and 40,317.75

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Solution

The fourth proportional to 92,909.43, 139,364.15 and 40,317.75 is: 60,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909.43 : 139,364.15 = 40,317.75 : x
  2. Step 2: Convert to fraction form
    92,909.43/139,364.15 = 40,317.75/x
  3. Step 3: Cross multiply
    92,909.43x = 139,364.15 × 40,317.75
  4. Step 4: Simplify right side
    92,909.43x = 5,618,848,757.07
  5. Step 5: Solve for x
    x = 5,618,848,757.07/92,909.43
  6. Step 6: Final answer
    x = 60,476.63

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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.