Home / 71,078.11-98,093.57-40,873.21

Finding the Fourth Proportional to 71,078.11, 98,093.57 and 40,873.21

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Solution

The fourth proportional to 71,078.11, 98,093.57 and 40,873.21 is: 56,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,078.11 : 98,093.57 = 40,873.21 : x
  2. Step 2: Convert to fraction form
    71,078.11/98,093.57 = 40,873.21/x
  3. Step 3: Cross multiply
    71,078.11x = 98,093.57 × 40,873.21
  4. Step 4: Simplify right side
    71,078.11x = 4,009,398,636.66
  5. Step 5: Solve for x
    x = 4,009,398,636.66/71,078.11
  6. Step 6: Final answer
    x = 56,408.35

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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.