Home / 71,070.09-106,604.61-28,940.27

Finding the Fourth Proportional to 71,070.09, 106,604.61 and 28,940.27

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Solution

The fourth proportional to 71,070.09, 106,604.61 and 28,940.27 is: 43,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,070.09 : 106,604.61 = 28,940.27 : x
  2. Step 2: Convert to fraction form
    71,070.09/106,604.61 = 28,940.27/x
  3. Step 3: Cross multiply
    71,070.09x = 106,604.61 × 28,940.27
  4. Step 4: Simplify right side
    71,070.09x = 3,085,165,555.10
  5. Step 5: Solve for x
    x = 3,085,165,555.10/71,070.09
  6. Step 6: Final answer
    x = 43,410.18

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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.