Home / 82,692.42-124,038.66-20,362.92

Finding the Fourth Proportional to 82,692.42, 124,038.66 and 20,362.92

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Solution

The fourth proportional to 82,692.42, 124,038.66 and 20,362.92 is: 30,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,692.42 : 124,038.66 = 20,362.92 : x
  2. Step 2: Convert to fraction form
    82,692.42/124,038.66 = 20,362.92/x
  3. Step 3: Cross multiply
    82,692.42x = 124,038.66 × 20,362.92
  4. Step 4: Simplify right side
    82,692.42x = 2,525,789,310.49
  5. Step 5: Solve for x
    x = 2,525,789,310.49/82,692.42
  6. Step 6: Final answer
    x = 30,544.39

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1.5x scale

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.