Home / 79,175.02-109,257.63-43,365.19

Finding the Fourth Proportional to 79,175.02, 109,257.63 and 43,365.19

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Solution

The fourth proportional to 79,175.02, 109,257.63 and 43,365.19 is: 59,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,175.02 : 109,257.63 = 43,365.19 : x
  2. Step 2: Convert to fraction form
    79,175.02/109,257.63 = 43,365.19/x
  3. Step 3: Cross multiply
    79,175.02x = 109,257.63 × 43,365.19
  4. Step 4: Simplify right side
    79,175.02x = 4,737,977,883.90
  5. Step 5: Solve for x
    x = 4,737,977,883.90/79,175.02
  6. Step 6: Final answer
    x = 59,841.83

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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.