Home / 71,022.06-106,573.79-28,894.36

Finding the Fourth Proportional to 71,022.06, 106,573.79 and 28,894.36

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Solution

The fourth proportional to 71,022.06, 106,573.79 and 28,894.36 is: 43,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.06 : 106,573.79 = 28,894.36 : x
  2. Step 2: Convert to fraction form
    71,022.06/106,573.79 = 28,894.36/x
  3. Step 3: Cross multiply
    71,022.06x = 106,573.79 × 28,894.36
  4. Step 4: Simplify right side
    71,022.06x = 3,079,381,454.82
  5. Step 5: Solve for x
    x = 3,079,381,454.82/71,022.06
  6. Step 6: Final answer
    x = 43,358.10

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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.