Home / 64,805.49-97,067.29-31,455.36

Finding the Fourth Proportional to 64,805.49, 97,067.29 and 31,455.36

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Solution

The fourth proportional to 64,805.49, 97,067.29 and 31,455.36 is: 47,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,805.49 : 97,067.29 = 31,455.36 : x
  2. Step 2: Convert to fraction form
    64,805.49/97,067.29 = 31,455.36/x
  3. Step 3: Cross multiply
    64,805.49x = 97,067.29 × 31,455.36
  4. Step 4: Simplify right side
    64,805.49x = 3,053,285,987.20
  5. Step 5: Solve for x
    x = 3,053,285,987.20/64,805.49
  6. Step 6: Final answer
    x = 47,114.62

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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.