Home / 89,777.48-123,887.93-49,491.18

Finding the Fourth Proportional to 89,777.48, 123,887.93 and 49,491.18

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Solution

The fourth proportional to 89,777.48, 123,887.93 and 49,491.18 is: 68,295.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,777.48 : 123,887.93 = 49,491.18 : x
  2. Step 2: Convert to fraction form
    89,777.48/123,887.93 = 49,491.18/x
  3. Step 3: Cross multiply
    89,777.48x = 123,887.93 × 49,491.18
  4. Step 4: Simplify right side
    89,777.48x = 6,131,359,596.00
  5. Step 5: Solve for x
    x = 6,131,359,596.00/89,777.48
  6. Step 6: Final answer
    x = 68,295.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.