Home / 79,035.12-118,599.48-29,150.28

Finding the Fourth Proportional to 79,035.12, 118,599.48 and 29,150.28

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Solution

The fourth proportional to 79,035.12, 118,599.48 and 29,150.28 is: 43,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035.12 : 118,599.48 = 29,150.28 : x
  2. Step 2: Convert to fraction form
    79,035.12/118,599.48 = 29,150.28/x
  3. Step 3: Cross multiply
    79,035.12x = 118,599.48 × 29,150.28
  4. Step 4: Simplify right side
    79,035.12x = 3,457,208,049.85
  5. Step 5: Solve for x
    x = 3,457,208,049.85/79,035.12
  6. Step 6: Final answer
    x = 43,742.68

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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.