Home / 101,014.40-139,394.24-55,692.32

Finding the Fourth Proportional to 101,014.40, 139,394.24 and 55,692.32

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Solution

The fourth proportional to 101,014.40, 139,394.24 and 55,692.32 is: 76,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,014.40 : 139,394.24 = 55,692.32 : x
  2. Step 2: Convert to fraction form
    101,014.40/139,394.24 = 55,692.32/x
  3. Step 3: Cross multiply
    101,014.40x = 139,394.24 × 55,692.32
  4. Step 4: Simplify right side
    101,014.40x = 7,763,188,620.24
  5. Step 5: Solve for x
    x = 7,763,188,620.24/101,014.40
  6. Step 6: Final answer
    x = 76,852.30

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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.