Home / 70,819.90-106,295.46-35,784.16

Finding the Fourth Proportional to 70,819.90, 106,295.46 and 35,784.16

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Solution

The fourth proportional to 70,819.90, 106,295.46 and 35,784.16 is: 53,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,819.90 : 106,295.46 = 35,784.16 : x
  2. Step 2: Convert to fraction form
    70,819.90/106,295.46 = 35,784.16/x
  3. Step 3: Cross multiply
    70,819.90x = 106,295.46 × 35,784.16
  4. Step 4: Simplify right side
    70,819.90x = 3,803,693,747.91
  5. Step 5: Solve for x
    x = 3,803,693,747.91/70,819.90
  6. Step 6: Final answer
    x = 53,709.39

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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.