Home / 64,790.30-97,123.03-33,215.19

Finding the Fourth Proportional to 64,790.30, 97,123.03 and 33,215.19

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Solution

The fourth proportional to 64,790.30, 97,123.03 and 33,215.19 is: 49,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,790.30 : 97,123.03 = 33,215.19 : x
  2. Step 2: Convert to fraction form
    64,790.30/97,123.03 = 33,215.19/x
  3. Step 3: Cross multiply
    64,790.30x = 97,123.03 × 33,215.19
  4. Step 4: Simplify right side
    64,790.30x = 3,225,959,894.83
  5. Step 5: Solve for x
    x = 3,225,959,894.83/64,790.30
  6. Step 6: Final answer
    x = 49,790.78

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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.