Home / 70,814.08-106,286.76-35,778.36

Finding the Fourth Proportional to 70,814.08, 106,286.76 and 35,778.36

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Solution

The fourth proportional to 70,814.08, 106,286.76 and 35,778.36 is: 53,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.08 : 106,286.76 = 35,778.36 : x
  2. Step 2: Convert to fraction form
    70,814.08/106,286.76 = 35,778.36/x
  3. Step 3: Cross multiply
    70,814.08x = 106,286.76 × 35,778.36
  4. Step 4: Simplify right side
    70,814.08x = 3,802,765,962.51
  5. Step 5: Solve for x
    x = 3,802,765,962.51/70,814.08
  6. Step 6: Final answer
    x = 53,700.70

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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.