Home / 89,001.82-122,821.48-48,165.00

Finding the Fourth Proportional to 89,001.82, 122,821.48 and 48,165.00

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Solution

The fourth proportional to 89,001.82, 122,821.48 and 48,165.00 is: 66,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,001.82 : 122,821.48 = 48,165.00 : x
  2. Step 2: Convert to fraction form
    89,001.82/122,821.48 = 48,165.00/x
  3. Step 3: Cross multiply
    89,001.82x = 122,821.48 × 48,165.00
  4. Step 4: Simplify right side
    89,001.82x = 5,915,696,603.77
  5. Step 5: Solve for x
    x = 5,915,696,603.77/89,001.82
  6. Step 6: Final answer
    x = 66,467.14

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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.