Home / 97,079.60-133,855.22-66,467.54

Finding the Fourth Proportional to 97,079.60, 133,855.22 and 66,467.54

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Solution

The fourth proportional to 97,079.60, 133,855.22 and 66,467.54 is: 91,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,079.60 : 133,855.22 = 66,467.54 : x
  2. Step 2: Convert to fraction form
    97,079.60/133,855.22 = 66,467.54/x
  3. Step 3: Cross multiply
    97,079.60x = 133,855.22 × 66,467.54
  4. Step 4: Simplify right side
    97,079.60x = 8,897,027,691.01
  5. Step 5: Solve for x
    x = 8,897,027,691.01/97,079.60
  6. Step 6: Final answer
    x = 91,646.72

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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.