Home / 92,973.88-139,382.22-40,343.80

Finding the Fourth Proportional to 92,973.88, 139,382.22 and 40,343.80

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Solution

The fourth proportional to 92,973.88, 139,382.22 and 40,343.80 is: 60,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.88 : 139,382.22 = 40,343.80 : x
  2. Step 2: Convert to fraction form
    92,973.88/139,382.22 = 40,343.80/x
  3. Step 3: Cross multiply
    92,973.88x = 139,382.22 × 40,343.80
  4. Step 4: Simplify right side
    92,973.88x = 5,623,208,407.24
  5. Step 5: Solve for x
    x = 5,623,208,407.24/92,973.88
  6. Step 6: Final answer
    x = 60,481.59

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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.