Home / 89,983.16-124,174.39-49,696.06

Finding the Fourth Proportional to 89,983.16, 124,174.39 and 49,696.06

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Solution

The fourth proportional to 89,983.16, 124,174.39 and 49,696.06 is: 68,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.16 : 124,174.39 = 49,696.06 : x
  2. Step 2: Convert to fraction form
    89,983.16/124,174.39 = 49,696.06/x
  3. Step 3: Cross multiply
    89,983.16x = 124,174.39 × 49,696.06
  4. Step 4: Simplify right side
    89,983.16x = 6,170,977,501.23
  5. Step 5: Solve for x
    x = 6,170,977,501.23/89,983.16
  6. Step 6: Final answer
    x = 68,579.25

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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.