Home / 70,318.70-97,036.06-38,481.44

Finding the Fourth Proportional to 70,318.70, 97,036.06 and 38,481.44

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Solution

The fourth proportional to 70,318.70, 97,036.06 and 38,481.44 is: 53,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.70 : 97,036.06 = 38,481.44 : x
  2. Step 2: Convert to fraction form
    70,318.70/97,036.06 = 38,481.44/x
  3. Step 3: Cross multiply
    70,318.70x = 97,036.06 × 38,481.44
  4. Step 4: Simplify right side
    70,318.70x = 3,734,087,128.32
  5. Step 5: Solve for x
    x = 3,734,087,128.32/70,318.70
  6. Step 6: Final answer
    x = 53,102.34

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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.