Home / 89,858.19-123,998.98-49,572.03

Finding the Fourth Proportional to 89,858.19, 123,998.98 and 49,572.03

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Solution

The fourth proportional to 89,858.19, 123,998.98 and 49,572.03 is: 68,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858.19 : 123,998.98 = 49,572.03 : x
  2. Step 2: Convert to fraction form
    89,858.19/123,998.98 = 49,572.03/x
  3. Step 3: Cross multiply
    89,858.19x = 123,998.98 × 49,572.03
  4. Step 4: Simplify right side
    89,858.19x = 6,146,881,156.53
  5. Step 5: Solve for x
    x = 6,146,881,156.53/89,858.19
  6. Step 6: Final answer
    x = 68,406.47

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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.