Home / 83,738.02-115,512.33-53,054.98

Finding the Fourth Proportional to 83,738.02, 115,512.33 and 53,054.98

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Solution

The fourth proportional to 83,738.02, 115,512.33 and 53,054.98 is: 73,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,738.02 : 115,512.33 = 53,054.98 : x
  2. Step 2: Convert to fraction form
    83,738.02/115,512.33 = 53,054.98/x
  3. Step 3: Cross multiply
    83,738.02x = 115,512.33 × 53,054.98
  4. Step 4: Simplify right side
    83,738.02x = 6,128,504,357.90
  5. Step 5: Solve for x
    x = 6,128,504,357.90/83,738.02
  6. Step 6: Final answer
    x = 73,186.64

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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.