Home / 70,743.51-97,624.44-38,911.73

Finding the Fourth Proportional to 70,743.51, 97,624.44 and 38,911.73

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Solution

The fourth proportional to 70,743.51, 97,624.44 and 38,911.73 is: 53,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.51 : 97,624.44 = 38,911.73 : x
  2. Step 2: Convert to fraction form
    70,743.51/97,624.44 = 38,911.73/x
  3. Step 3: Cross multiply
    70,743.51x = 97,624.44 × 38,911.73
  4. Step 4: Simplify right side
    70,743.51x = 3,798,735,362.56
  5. Step 5: Solve for x
    x = 3,798,735,362.56/70,743.51
  6. Step 6: Final answer
    x = 53,697.30

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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.