Home / 64,845.36-97,127.10-31,495.23

Finding the Fourth Proportional to 64,845.36, 97,127.10 and 31,495.23

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Solution

The fourth proportional to 64,845.36, 97,127.10 and 31,495.23 is: 47,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.36 : 97,127.10 = 31,495.23 : x
  2. Step 2: Convert to fraction form
    64,845.36/97,127.10 = 31,495.23/x
  3. Step 3: Cross multiply
    64,845.36x = 97,127.10 × 31,495.23
  4. Step 4: Simplify right side
    64,845.36x = 3,059,040,353.73
  5. Step 5: Solve for x
    x = 3,059,040,353.73/64,845.36
  6. Step 6: Final answer
    x = 47,174.39

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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.