Home / 89,822.48-123,945.48-49,533.60

Finding the Fourth Proportional to 89,822.48, 123,945.48 and 49,533.60

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Solution

The fourth proportional to 89,822.48, 123,945.48 and 49,533.60 is: 68,351.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,822.48 : 123,945.48 = 49,533.60 : x
  2. Step 2: Convert to fraction form
    89,822.48/123,945.48 = 49,533.60/x
  3. Step 3: Cross multiply
    89,822.48x = 123,945.48 × 49,533.60
  4. Step 4: Simplify right side
    89,822.48x = 6,139,465,828.13
  5. Step 5: Solve for x
    x = 6,139,465,828.13/89,822.48
  6. Step 6: Final answer
    x = 68,351.11

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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.