Home / 79,371.90-109,533.60-43,562.34

Finding the Fourth Proportional to 79,371.90, 109,533.60 and 43,562.34

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Solution

The fourth proportional to 79,371.90, 109,533.60 and 43,562.34 is: 60,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,371.90 : 109,533.60 = 43,562.34 : x
  2. Step 2: Convert to fraction form
    79,371.90/109,533.60 = 43,562.34/x
  3. Step 3: Cross multiply
    79,371.90x = 109,533.60 × 43,562.34
  4. Step 4: Simplify right side
    79,371.90x = 4,771,539,924.62
  5. Step 5: Solve for x
    x = 4,771,539,924.62/79,371.90
  6. Step 6: Final answer
    x = 60,116.24

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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.