Home / 64,729.72-97,099.85-17,982.60

Finding the Fourth Proportional to 64,729.72, 97,099.85 and 17,982.60

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Solution

The fourth proportional to 64,729.72, 97,099.85 and 17,982.60 is: 26,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,729.72 : 97,099.85 = 17,982.60 : x
  2. Step 2: Convert to fraction form
    64,729.72/97,099.85 = 17,982.60/x
  3. Step 3: Cross multiply
    64,729.72x = 97,099.85 × 17,982.60
  4. Step 4: Simplify right side
    64,729.72x = 1,746,107,762.61
  5. Step 5: Solve for x
    x = 1,746,107,762.61/64,729.72
  6. Step 6: Final answer
    x = 26,975.36

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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.