Home / 89,983.12-124,174.32-49,696.01

Finding the Fourth Proportional to 89,983.12, 124,174.32 and 49,696.01

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Solution

The fourth proportional to 89,983.12, 124,174.32 and 49,696.01 is: 68,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.12 : 124,174.32 = 49,696.01 : x
  2. Step 2: Convert to fraction form
    89,983.12/124,174.32 = 49,696.01/x
  3. Step 3: Cross multiply
    89,983.12x = 124,174.32 × 49,696.01
  4. Step 4: Simplify right side
    89,983.12x = 6,170,968,745.26
  5. Step 5: Solve for x
    x = 6,170,968,745.26/89,983.12
  6. Step 6: Final answer
    x = 68,579.18

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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.