Home / 68,143.03-102,235.47-34,886.43

Finding the Fourth Proportional to 68,143.03, 102,235.47 and 34,886.43

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Solution

The fourth proportional to 68,143.03, 102,235.47 and 34,886.43 is: 52,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,143.03 : 102,235.47 = 34,886.43 : x
  2. Step 2: Convert to fraction form
    68,143.03/102,235.47 = 34,886.43/x
  3. Step 3: Cross multiply
    68,143.03x = 102,235.47 × 34,886.43
  4. Step 4: Simplify right side
    68,143.03x = 3,566,630,567.67
  5. Step 5: Solve for x
    x = 3,566,630,567.67/68,143.03
  6. Step 6: Final answer
    x = 52,340.36

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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.