Home / 89,657.40-123,727.23-49,371.06

Finding the Fourth Proportional to 89,657.40, 123,727.23 and 49,371.06

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Solution

The fourth proportional to 89,657.40, 123,727.23 and 49,371.06 is: 68,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.40 : 123,727.23 = 49,371.06 : x
  2. Step 2: Convert to fraction form
    89,657.40/123,727.23 = 49,371.06/x
  3. Step 3: Cross multiply
    89,657.40x = 123,727.23 × 49,371.06
  4. Step 4: Simplify right side
    89,657.40x = 6,108,544,495.96
  5. Step 5: Solve for x
    x = 6,108,544,495.96/89,657.40
  6. Step 6: Final answer
    x = 68,132.07

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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.