Home / 64,764.39-97,005.97-31,414.36

Finding the Fourth Proportional to 64,764.39, 97,005.97 and 31,414.36

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Solution

The fourth proportional to 64,764.39, 97,005.97 and 31,414.36 is: 47,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,764.39 : 97,005.97 = 31,414.36 : x
  2. Step 2: Convert to fraction form
    64,764.39/97,005.97 = 31,414.36/x
  3. Step 3: Cross multiply
    64,764.39x = 97,005.97 × 31,414.36
  4. Step 4: Simplify right side
    64,764.39x = 3,047,380,624.25
  5. Step 5: Solve for x
    x = 3,047,380,624.25/64,764.39
  6. Step 6: Final answer
    x = 47,053.34

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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.