Home / 106,059.57-159,089.40-31,179.72

Finding the Fourth Proportional to 106,059.57, 159,089.40 and 31,179.72

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Solution

The fourth proportional to 106,059.57, 159,089.40 and 31,179.72 is: 46,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,059.57 : 159,089.40 = 31,179.72 : x
  2. Step 2: Convert to fraction form
    106,059.57/159,089.40 = 31,179.72/x
  3. Step 3: Cross multiply
    106,059.57x = 159,089.40 × 31,179.72
  4. Step 4: Simplify right side
    106,059.57x = 4,960,362,946.97
  5. Step 5: Solve for x
    x = 4,960,362,946.97/106,059.57
  6. Step 6: Final answer
    x = 46,769.59

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1.5x scale

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.