Home / 64,747.20-97,325.60-61,060.80

Finding the Fourth Proportional to 64,747.20, 97,325.60 and 61,060.80

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Solution

The fourth proportional to 64,747.20, 97,325.60 and 61,060.80 is: 91,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747.20 : 97,325.60 = 61,060.80 : x
  2. Step 2: Convert to fraction form
    64,747.20/97,325.60 = 61,060.80/x
  3. Step 3: Cross multiply
    64,747.20x = 97,325.60 × 61,060.80
  4. Step 4: Simplify right side
    64,747.20x = 5,942,778,996.48
  5. Step 5: Solve for x
    x = 5,942,778,996.48/64,747.20
  6. Step 6: Final answer
    x = 91,784.34

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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.