Home / 97,100.08-133,997.76-54,658.72

Finding the Fourth Proportional to 97,100.08, 133,997.76 and 54,658.72

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Solution

The fourth proportional to 97,100.08, 133,997.76 and 54,658.72 is: 75,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,100.08 : 133,997.76 = 54,658.72 : x
  2. Step 2: Convert to fraction form
    97,100.08/133,997.76 = 54,658.72/x
  3. Step 3: Cross multiply
    97,100.08x = 133,997.76 × 54,658.72
  4. Step 4: Simplify right side
    97,100.08x = 7,324,146,044.47
  5. Step 5: Solve for x
    x = 7,324,146,044.47/97,100.08
  6. Step 6: Final answer
    x = 75,428.84

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1.5x scale

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.