Home / 70,814.19-97,723.56-38,982.87

Finding the Fourth Proportional to 70,814.19, 97,723.56 and 38,982.87

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Solution

The fourth proportional to 70,814.19, 97,723.56 and 38,982.87 is: 53,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,814.19 : 97,723.56 = 38,982.87 : x
  2. Step 2: Convert to fraction form
    70,814.19/97,723.56 = 38,982.87/x
  3. Step 3: Cross multiply
    70,814.19x = 97,723.56 × 38,982.87
  4. Step 4: Simplify right side
    70,814.19x = 3,809,544,835.42
  5. Step 5: Solve for x
    x = 3,809,544,835.42/70,814.19
  6. Step 6: Final answer
    x = 53,796.35

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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.