Home / 79,148.61-109,227.56-43,342.02

Finding the Fourth Proportional to 79,148.61, 109,227.56 and 43,342.02

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Solution

The fourth proportional to 79,148.61, 109,227.56 and 43,342.02 is: 59,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,148.61 : 109,227.56 = 43,342.02 : x
  2. Step 2: Convert to fraction form
    79,148.61/109,227.56 = 43,342.02/x
  3. Step 3: Cross multiply
    79,148.61x = 109,227.56 × 43,342.02
  4. Step 4: Simplify right side
    79,148.61x = 4,734,142,873.36
  5. Step 5: Solve for x
    x = 4,734,142,873.36/79,148.61
  6. Step 6: Final answer
    x = 59,813.34

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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.