Home / 68,073.64-102,032.22-26,485.48

Finding the Fourth Proportional to 68,073.64, 102,032.22 and 26,485.48

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Solution

The fourth proportional to 68,073.64, 102,032.22 and 26,485.48 is: 39,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,073.64 : 102,032.22 = 26,485.48 : x
  2. Step 2: Convert to fraction form
    68,073.64/102,032.22 = 26,485.48/x
  3. Step 3: Cross multiply
    68,073.64x = 102,032.22 × 26,485.48
  4. Step 4: Simplify right side
    68,073.64x = 2,702,372,322.17
  5. Step 5: Solve for x
    x = 2,702,372,322.17/68,073.64
  6. Step 6: Final answer
    x = 39,697.78

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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.