Home / 96,558.78-133,250.94-54,117.30

Finding the Fourth Proportional to 96,558.78, 133,250.94 and 54,117.30

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Solution

The fourth proportional to 96,558.78, 133,250.94 and 54,117.30 is: 74,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,558.78 : 133,250.94 = 54,117.30 : x
  2. Step 2: Convert to fraction form
    96,558.78/133,250.94 = 54,117.30/x
  3. Step 3: Cross multiply
    96,558.78x = 133,250.94 × 54,117.30
  4. Step 4: Simplify right side
    96,558.78x = 7,211,181,095.26
  5. Step 5: Solve for x
    x = 7,211,181,095.26/96,558.78
  6. Step 6: Final answer
    x = 74,681.78

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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.