Home / 79,528.20-109,750.05-43,721.52

Finding the Fourth Proportional to 79,528.20, 109,750.05 and 43,721.52

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Solution

The fourth proportional to 79,528.20, 109,750.05 and 43,721.52 is: 60,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,528.20 : 109,750.05 = 43,721.52 : x
  2. Step 2: Convert to fraction form
    79,528.20/109,750.05 = 43,721.52/x
  3. Step 3: Cross multiply
    79,528.20x = 109,750.05 × 43,721.52
  4. Step 4: Simplify right side
    79,528.20x = 4,798,439,006.08
  5. Step 5: Solve for x
    x = 4,798,439,006.08/79,528.20
  6. Step 6: Final answer
    x = 60,336.32

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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.