Home / 70,942.78-97,898.04-38,676.70

Finding the Fourth Proportional to 70,942.78, 97,898.04 and 38,676.70

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Solution

The fourth proportional to 70,942.78, 97,898.04 and 38,676.70 is: 53,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,942.78 : 97,898.04 = 38,676.70 : x
  2. Step 2: Convert to fraction form
    70,942.78/97,898.04 = 38,676.70/x
  3. Step 3: Cross multiply
    70,942.78x = 97,898.04 × 38,676.70
  4. Step 4: Simplify right side
    70,942.78x = 3,786,373,123.67
  5. Step 5: Solve for x
    x = 3,786,373,123.67/70,942.78
  6. Step 6: Final answer
    x = 53,372.21

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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.