Home / 68,077.40-102,116.10-41,505.35

Finding the Fourth Proportional to 68,077.40, 102,116.10 and 41,505.35

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Solution

The fourth proportional to 68,077.40, 102,116.10 and 41,505.35 is: 62,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,077.40 : 102,116.10 = 41,505.35 : x
  2. Step 2: Convert to fraction form
    68,077.40/102,116.10 = 41,505.35/x
  3. Step 3: Cross multiply
    68,077.40x = 102,116.10 × 41,505.35
  4. Step 4: Simplify right side
    68,077.40x = 4,238,364,471.14
  5. Step 5: Solve for x
    x = 4,238,364,471.14/68,077.40
  6. Step 6: Final answer
    x = 62,258.03

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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.