Home / 104,439.03-144,125.74-56,692.38

Finding the Fourth Proportional to 104,439.03, 144,125.74 and 56,692.38

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Solution

The fourth proportional to 104,439.03, 144,125.74 and 56,692.38 is: 78,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.03 : 144,125.74 = 56,692.38 : x
  2. Step 2: Convert to fraction form
    104,439.03/144,125.74 = 56,692.38/x
  3. Step 3: Cross multiply
    104,439.03x = 144,125.74 × 56,692.38
  4. Step 4: Simplify right side
    104,439.03x = 8,170,831,219.86
  5. Step 5: Solve for x
    x = 8,170,831,219.86/104,439.03
  6. Step 6: Final answer
    x = 78,235.42

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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.