Home / 70,819.88-106,295.48-35,784.16

Finding the Fourth Proportional to 70,819.88, 106,295.48 and 35,784.16

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Solution

The fourth proportional to 70,819.88, 106,295.48 and 35,784.16 is: 53,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,819.88 : 106,295.48 = 35,784.16 : x
  2. Step 2: Convert to fraction form
    70,819.88/106,295.48 = 35,784.16/x
  3. Step 3: Cross multiply
    70,819.88x = 106,295.48 × 35,784.16
  4. Step 4: Simplify right side
    70,819.88x = 3,803,694,463.60
  5. Step 5: Solve for x
    x = 3,803,694,463.60/70,819.88
  6. Step 6: Final answer
    x = 53,709.42

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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.