Home / 79,349.83-109,501.27-43,539.53

Finding the Fourth Proportional to 79,349.83, 109,501.27 and 43,539.53

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Solution

The fourth proportional to 79,349.83, 109,501.27 and 43,539.53 is: 60,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,349.83 : 109,501.27 = 43,539.53 : x
  2. Step 2: Convert to fraction form
    79,349.83/109,501.27 = 43,539.53/x
  3. Step 3: Cross multiply
    79,349.83x = 109,501.27 × 43,539.53
  4. Step 4: Simplify right side
    79,349.83x = 4,767,633,173.85
  5. Step 5: Solve for x
    x = 4,767,633,173.85/79,349.83
  6. Step 6: Final answer
    x = 60,083.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.