Home / 70,727.39-97,603.81-38,898.44

Finding the Fourth Proportional to 70,727.39, 97,603.81 and 38,898.44

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Solution

The fourth proportional to 70,727.39, 97,603.81 and 38,898.44 is: 53,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,727.39 : 97,603.81 = 38,898.44 : x
  2. Step 2: Convert to fraction form
    70,727.39/97,603.81 = 38,898.44/x
  3. Step 3: Cross multiply
    70,727.39x = 97,603.81 × 38,898.44
  4. Step 4: Simplify right side
    70,727.39x = 3,796,635,361.79
  5. Step 5: Solve for x
    x = 3,796,635,361.79/70,727.39
  6. Step 6: Final answer
    x = 53,679.85

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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.