Home / 89,045.66-133,579.02-55,768.48

Finding the Fourth Proportional to 89,045.66, 133,579.02 and 55,768.48

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Solution

The fourth proportional to 89,045.66, 133,579.02 and 55,768.48 is: 83,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.66 : 133,579.02 = 55,768.48 : x
  2. Step 2: Convert to fraction form
    89,045.66/133,579.02 = 55,768.48/x
  3. Step 3: Cross multiply
    89,045.66x = 133,579.02 × 55,768.48
  4. Step 4: Simplify right side
    89,045.66x = 7,449,498,905.29
  5. Step 5: Solve for x
    x = 7,449,498,905.29/89,045.66
  6. Step 6: Final answer
    x = 83,659.31

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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.