Home / 113,821.95-170,836.20-57,701.10

Finding the Fourth Proportional to 113,821.95, 170,836.20 and 57,701.10

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Solution

The fourth proportional to 113,821.95, 170,836.20 and 57,701.10 is: 86,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.95 : 170,836.20 = 57,701.10 : x
  2. Step 2: Convert to fraction form
    113,821.95/170,836.20 = 57,701.10/x
  3. Step 3: Cross multiply
    113,821.95x = 170,836.20 × 57,701.10
  4. Step 4: Simplify right side
    113,821.95x = 9,857,436,659.82
  5. Step 5: Solve for x
    x = 9,857,436,659.82/113,821.95
  6. Step 6: Final answer
    x = 86,604.00

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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.