Home / 89,971.44-124,044.12-61,626.48

Finding the Fourth Proportional to 89,971.44, 124,044.12 and 61,626.48

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Solution

The fourth proportional to 89,971.44, 124,044.12 and 61,626.48 is: 84,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,971.44 : 124,044.12 = 61,626.48 : x
  2. Step 2: Convert to fraction form
    89,971.44/124,044.12 = 61,626.48/x
  3. Step 3: Cross multiply
    89,971.44x = 124,044.12 × 61,626.48
  4. Step 4: Simplify right side
    89,971.44x = 7,644,402,480.30
  5. Step 5: Solve for x
    x = 7,644,402,480.30/89,971.44
  6. Step 6: Final answer
    x = 84,964.77

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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.