Home / 97,020.66-133,887.99-54,579.51

Finding the Fourth Proportional to 97,020.66, 133,887.99 and 54,579.51

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Solution

The fourth proportional to 97,020.66, 133,887.99 and 54,579.51 is: 75,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,020.66 : 133,887.99 = 54,579.51 : x
  2. Step 2: Convert to fraction form
    97,020.66/133,887.99 = 54,579.51/x
  3. Step 3: Cross multiply
    97,020.66x = 133,887.99 × 54,579.51
  4. Step 4: Simplify right side
    97,020.66x = 7,307,540,889.08
  5. Step 5: Solve for x
    x = 7,307,540,889.08/97,020.66
  6. Step 6: Final answer
    x = 75,319.43

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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.