Home / 96,772.79-133,541.89-53,755.05

Finding the Fourth Proportional to 96,772.79, 133,541.89 and 53,755.05

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Solution

The fourth proportional to 96,772.79, 133,541.89 and 53,755.05 is: 74,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772.79 : 133,541.89 = 53,755.05 : x
  2. Step 2: Convert to fraction form
    96,772.79/133,541.89 = 53,755.05/x
  3. Step 3: Cross multiply
    96,772.79x = 133,541.89 × 53,755.05
  4. Step 4: Simplify right side
    96,772.79x = 7,178,550,839.66
  5. Step 5: Solve for x
    x = 7,178,550,839.66/96,772.79
  6. Step 6: Final answer
    x = 74,179.44

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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.