Home / 69,748.52-104,580.66-28,146.92

Finding the Fourth Proportional to 69,748.52, 104,580.66 and 28,146.92

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Solution

The fourth proportional to 69,748.52, 104,580.66 and 28,146.92 is: 42,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,748.52 : 104,580.66 = 28,146.92 : x
  2. Step 2: Convert to fraction form
    69,748.52/104,580.66 = 28,146.92/x
  3. Step 3: Cross multiply
    69,748.52x = 104,580.66 × 28,146.92
  4. Step 4: Simplify right side
    69,748.52x = 2,943,623,470.57
  5. Step 5: Solve for x
    x = 2,943,623,470.57/69,748.52
  6. Step 6: Final answer
    x = 42,203.38

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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.