Home / 70,780.08-106,235.76-35,744.32

Finding the Fourth Proportional to 70,780.08, 106,235.76 and 35,744.32

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Solution

The fourth proportional to 70,780.08, 106,235.76 and 35,744.32 is: 53,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,780.08 : 106,235.76 = 35,744.32 : x
  2. Step 2: Convert to fraction form
    70,780.08/106,235.76 = 35,744.32/x
  3. Step 3: Cross multiply
    70,780.08x = 106,235.76 × 35,744.32
  4. Step 4: Simplify right side
    70,780.08x = 3,797,325,000.88
  5. Step 5: Solve for x
    x = 3,797,325,000.88/70,780.08
  6. Step 6: Final answer
    x = 53,649.63

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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.