Home / 92,379.72-138,572.16-30,050.22

Finding the Fourth Proportional to 92,379.72, 138,572.16 and 30,050.22

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Solution

The fourth proportional to 92,379.72, 138,572.16 and 30,050.22 is: 45,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,379.72 : 138,572.16 = 30,050.22 : x
  2. Step 2: Convert to fraction form
    92,379.72/138,572.16 = 30,050.22/x
  3. Step 3: Cross multiply
    92,379.72x = 138,572.16 × 30,050.22
  4. Step 4: Simplify right side
    92,379.72x = 4,164,123,893.88
  5. Step 5: Solve for x
    x = 4,164,123,893.88/92,379.72
  6. Step 6: Final answer
    x = 45,076.17

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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.