Home / 76,429.35-114,539.78-29,019.06

Finding the Fourth Proportional to 76,429.35, 114,539.78 and 29,019.06

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Solution

The fourth proportional to 76,429.35, 114,539.78 and 29,019.06 is: 43,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,429.35 : 114,539.78 = 29,019.06 : x
  2. Step 2: Convert to fraction form
    76,429.35/114,539.78 = 29,019.06/x
  3. Step 3: Cross multiply
    76,429.35x = 114,539.78 × 29,019.06
  4. Step 4: Simplify right side
    76,429.35x = 3,323,836,748.21
  5. Step 5: Solve for x
    x = 3,323,836,748.21/76,429.35
  6. Step 6: Final answer
    x = 43,489.01

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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.