Home / 71,612.76-107,426.58-34,166.52

Finding the Fourth Proportional to 71,612.76, 107,426.58 and 34,166.52

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Solution

The fourth proportional to 71,612.76, 107,426.58 and 34,166.52 is: 51,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,612.76 : 107,426.58 = 34,166.52 : x
  2. Step 2: Convert to fraction form
    71,612.76/107,426.58 = 34,166.52/x
  3. Step 3: Cross multiply
    71,612.76x = 107,426.58 × 34,166.52
  4. Step 4: Simplify right side
    71,612.76x = 3,670,392,394.10
  5. Step 5: Solve for x
    x = 3,670,392,394.10/71,612.76
  6. Step 6: Final answer
    x = 51,253.33

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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.