Home / 97,013.36-133,878.23-54,571.89

Finding the Fourth Proportional to 97,013.36, 133,878.23 and 54,571.89

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Solution

The fourth proportional to 97,013.36, 133,878.23 and 54,571.89 is: 75,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,013.36 : 133,878.23 = 54,571.89 : x
  2. Step 2: Convert to fraction form
    97,013.36/133,878.23 = 54,571.89/x
  3. Step 3: Cross multiply
    97,013.36x = 133,878.23 × 54,571.89
  4. Step 4: Simplify right side
    97,013.36x = 7,305,988,781.75
  5. Step 5: Solve for x
    x = 7,305,988,781.75/97,013.36
  6. Step 6: Final answer
    x = 75,309.10

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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.