Home / 79,259.54-109,194.36-55,348.34

Finding the Fourth Proportional to 79,259.54, 109,194.36 and 55,348.34

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Solution

The fourth proportional to 79,259.54, 109,194.36 and 55,348.34 is: 76,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,259.54 : 109,194.36 = 55,348.34 : x
  2. Step 2: Convert to fraction form
    79,259.54/109,194.36 = 55,348.34/x
  3. Step 3: Cross multiply
    79,259.54x = 109,194.36 × 55,348.34
  4. Step 4: Simplify right side
    79,259.54x = 6,043,726,563.36
  5. Step 5: Solve for x
    x = 6,043,726,563.36/79,259.54
  6. Step 6: Final answer
    x = 76,252.35

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1.5x scale

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.