Home / 70,949.23-97,910.70-38,683.58

Finding the Fourth Proportional to 70,949.23, 97,910.70 and 38,683.58

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Solution

The fourth proportional to 70,949.23, 97,910.70 and 38,683.58 is: 53,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.23 : 97,910.70 = 38,683.58 : x
  2. Step 2: Convert to fraction form
    70,949.23/97,910.70 = 38,683.58/x
  3. Step 3: Cross multiply
    70,949.23x = 97,910.70 × 38,683.58
  4. Step 4: Simplify right side
    70,949.23x = 3,787,536,202.89
  5. Step 5: Solve for x
    x = 3,787,536,202.89/70,949.23
  6. Step 6: Final answer
    x = 53,383.76

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1.5x scale

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.