Home / 113,961.03-157,266.23-63,660.03

Finding the Fourth Proportional to 113,961.03, 157,266.23 and 63,660.03

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Solution

The fourth proportional to 113,961.03, 157,266.23 and 63,660.03 is: 87,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,961.03 : 157,266.23 = 63,660.03 : x
  2. Step 2: Convert to fraction form
    113,961.03/157,266.23 = 63,660.03/x
  3. Step 3: Cross multiply
    113,961.03x = 157,266.23 × 63,660.03
  4. Step 4: Simplify right side
    113,961.03x = 10,011,572,919.79
  5. Step 5: Solve for x
    x = 10,011,572,919.79/113,961.03
  6. Step 6: Final answer
    x = 87,850.85

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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.