Home / 99,076.72-136,722.78-56,052.97

Finding the Fourth Proportional to 99,076.72, 136,722.78 and 56,052.97

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Solution

The fourth proportional to 99,076.72, 136,722.78 and 56,052.97 is: 77,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.72 : 136,722.78 = 56,052.97 : x
  2. Step 2: Convert to fraction form
    99,076.72/136,722.78 = 56,052.97/x
  3. Step 3: Cross multiply
    99,076.72x = 136,722.78 × 56,052.97
  4. Step 4: Simplify right side
    99,076.72x = 7,663,717,885.66
  5. Step 5: Solve for x
    x = 7,663,717,885.66/99,076.72
  6. Step 6: Final answer
    x = 77,351.35

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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.