Home / 101,137.23-139,565.30-58,692.42

Finding the Fourth Proportional to 101,137.23, 139,565.30 and 58,692.42

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Solution

The fourth proportional to 101,137.23, 139,565.30 and 58,692.42 is: 80,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,137.23 : 139,565.30 = 58,692.42 : x
  2. Step 2: Convert to fraction form
    101,137.23/139,565.30 = 58,692.42/x
  3. Step 3: Cross multiply
    101,137.23x = 139,565.30 × 58,692.42
  4. Step 4: Simplify right side
    101,137.23x = 8,191,424,911.56
  5. Step 5: Solve for x
    x = 8,191,424,911.56/101,137.23
  6. Step 6: Final answer
    x = 80,993.17

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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.