Home / 101,014.23-139,393.08-55,692.60

Finding the Fourth Proportional to 101,014.23, 139,393.08 and 55,692.60

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Solution

The fourth proportional to 101,014.23, 139,393.08 and 55,692.60 is: 76,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,014.23 : 139,393.08 = 55,692.60 : x
  2. Step 2: Convert to fraction form
    101,014.23/139,393.08 = 55,692.60/x
  3. Step 3: Cross multiply
    101,014.23x = 139,393.08 × 55,692.60
  4. Step 4: Simplify right side
    101,014.23x = 7,763,163,047.21
  5. Step 5: Solve for x
    x = 7,763,163,047.21/101,014.23
  6. Step 6: Final answer
    x = 76,852.17

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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.