Home / 69,411.06-104,170.07-36,139.50

Finding the Fourth Proportional to 69,411.06, 104,170.07 and 36,139.50

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Solution

The fourth proportional to 69,411.06, 104,170.07 and 36,139.50 is: 54,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,411.06 : 104,170.07 = 36,139.50 : x
  2. Step 2: Convert to fraction form
    69,411.06/104,170.07 = 36,139.50/x
  3. Step 3: Cross multiply
    69,411.06x = 104,170.07 × 36,139.50
  4. Step 4: Simplify right side
    69,411.06x = 3,764,654,244.77
  5. Step 5: Solve for x
    x = 3,764,654,244.77/69,411.06
  6. Step 6: Final answer
    x = 54,237.09

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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.