Home / 72,824.63-109,236.02-39,755.37

Finding the Fourth Proportional to 72,824.63, 109,236.02 and 39,755.37

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Solution

The fourth proportional to 72,824.63, 109,236.02 and 39,755.37 is: 59,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,824.63 : 109,236.02 = 39,755.37 : x
  2. Step 2: Convert to fraction form
    72,824.63/109,236.02 = 39,755.37/x
  3. Step 3: Cross multiply
    72,824.63x = 109,236.02 × 39,755.37
  4. Step 4: Simplify right side
    72,824.63x = 4,342,718,392.43
  5. Step 5: Solve for x
    x = 4,342,718,392.43/72,824.63
  6. Step 6: Final answer
    x = 59,632.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.