Home / 64,876.22-97,328.46-19,897.60

Finding the Fourth Proportional to 64,876.22, 97,328.46 and 19,897.60

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Solution

The fourth proportional to 64,876.22, 97,328.46 and 19,897.60 is: 29,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,876.22 : 97,328.46 = 19,897.60 : x
  2. Step 2: Convert to fraction form
    64,876.22/97,328.46 = 19,897.60/x
  3. Step 3: Cross multiply
    64,876.22x = 97,328.46 × 19,897.60
  4. Step 4: Simplify right side
    64,876.22x = 1,936,602,765.70
  5. Step 5: Solve for x
    x = 1,936,602,765.70/64,876.22
  6. Step 6: Final answer
    x = 29,850.73

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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.