Home / 92,887.20-139,273.20-53,424.80

Finding the Fourth Proportional to 92,887.20, 139,273.20 and 53,424.80

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Solution

The fourth proportional to 92,887.20, 139,273.20 and 53,424.80 is: 80,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,887.20 : 139,273.20 = 53,424.80 : x
  2. Step 2: Convert to fraction form
    92,887.20/139,273.20 = 53,424.80/x
  3. Step 3: Cross multiply
    92,887.20x = 139,273.20 × 53,424.80
  4. Step 4: Simplify right side
    92,887.20x = 7,440,642,855.36
  5. Step 5: Solve for x
    x = 7,440,642,855.36/92,887.20
  6. Step 6: Final answer
    x = 80,104.07

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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.