Home / 64,790.81-97,123.79-33,215.69

Finding the Fourth Proportional to 64,790.81, 97,123.79 and 33,215.69

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Solution

The fourth proportional to 64,790.81, 97,123.79 and 33,215.69 is: 49,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,790.81 : 97,123.79 = 33,215.69 : x
  2. Step 2: Convert to fraction form
    64,790.81/97,123.79 = 33,215.69/x
  3. Step 3: Cross multiply
    64,790.81x = 97,123.79 × 33,215.69
  4. Step 4: Simplify right side
    64,790.81x = 3,226,033,048.57
  5. Step 5: Solve for x
    x = 3,226,033,048.57/64,790.81
  6. Step 6: Final answer
    x = 49,791.53

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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.