Home / 86,994.41-130,470.35-27,817.83

Finding the Fourth Proportional to 86,994.41, 130,470.35 and 27,817.83

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Solution

The fourth proportional to 86,994.41, 130,470.35 and 27,817.83 is: 41,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,994.41 : 130,470.35 = 27,817.83 : x
  2. Step 2: Convert to fraction form
    86,994.41/130,470.35 = 27,817.83/x
  3. Step 3: Cross multiply
    86,994.41x = 130,470.35 × 27,817.83
  4. Step 4: Simplify right side
    86,994.41x = 3,629,401,877.25
  5. Step 5: Solve for x
    x = 3,629,401,877.25/86,994.41
  6. Step 6: Final answer
    x = 41,719.95

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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.