Home / 79,163.12-118,741.95-30,483.24

Finding the Fourth Proportional to 79,163.12, 118,741.95 and 30,483.24

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Solution

The fourth proportional to 79,163.12, 118,741.95 and 30,483.24 is: 45,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,163.12 : 118,741.95 = 30,483.24 : x
  2. Step 2: Convert to fraction form
    79,163.12/118,741.95 = 30,483.24/x
  3. Step 3: Cross multiply
    79,163.12x = 118,741.95 × 30,483.24
  4. Step 4: Simplify right side
    79,163.12x = 3,619,638,914.64
  5. Step 5: Solve for x
    x = 3,619,638,914.64/79,163.12
  6. Step 6: Final answer
    x = 45,723.80

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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.