Home / 89,110.23-133,654.16-29,133.69

Finding the Fourth Proportional to 89,110.23, 133,654.16 and 29,133.69

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Solution

The fourth proportional to 89,110.23, 133,654.16 and 29,133.69 is: 43,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.23 : 133,654.16 = 29,133.69 : x
  2. Step 2: Convert to fraction form
    89,110.23/133,654.16 = 29,133.69/x
  3. Step 3: Cross multiply
    89,110.23x = 133,654.16 × 29,133.69
  4. Step 4: Simplify right side
    89,110.23x = 3,893,838,718.98
  5. Step 5: Solve for x
    x = 3,893,838,718.98/89,110.23
  6. Step 6: Final answer
    x = 43,696.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.