Home / 107,198.78-147,943.40-59,467.50

Finding the Fourth Proportional to 107,198.78, 147,943.40 and 59,467.50

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Solution

The fourth proportional to 107,198.78, 147,943.40 and 59,467.50 is: 82,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,198.78 : 147,943.40 = 59,467.50 : x
  2. Step 2: Convert to fraction form
    107,198.78/147,943.40 = 59,467.50/x
  3. Step 3: Cross multiply
    107,198.78x = 147,943.40 × 59,467.50
  4. Step 4: Simplify right side
    107,198.78x = 8,797,823,842.16
  5. Step 5: Solve for x
    x = 8,797,823,842.16/107,198.78
  6. Step 6: Final answer
    x = 82,070.19

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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.