Home / 66,745.38-100,117.92-26,782.35

Finding the Fourth Proportional to 66,745.38, 100,117.92 and 26,782.35

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Solution

The fourth proportional to 66,745.38, 100,117.92 and 26,782.35 is: 40,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,745.38 : 100,117.92 = 26,782.35 : x
  2. Step 2: Convert to fraction form
    66,745.38/100,117.92 = 26,782.35/x
  3. Step 3: Cross multiply
    66,745.38x = 100,117.92 × 26,782.35
  4. Step 4: Simplify right side
    66,745.38x = 2,681,393,174.71
  5. Step 5: Solve for x
    x = 2,681,393,174.71/66,745.38
  6. Step 6: Final answer
    x = 40,173.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.