Home / 79,433.02-109,619.47-43,623.80

Finding the Fourth Proportional to 79,433.02, 109,619.47 and 43,623.80

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Solution

The fourth proportional to 79,433.02, 109,619.47 and 43,623.80 is: 60,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,433.02 : 109,619.47 = 43,623.80 : x
  2. Step 2: Convert to fraction form
    79,433.02/109,619.47 = 43,623.80/x
  3. Step 3: Cross multiply
    79,433.02x = 109,619.47 × 43,623.80
  4. Step 4: Simplify right side
    79,433.02x = 4,782,017,752.89
  5. Step 5: Solve for x
    x = 4,782,017,752.89/79,433.02
  6. Step 6: Final answer
    x = 60,201.89

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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.