Home / 106,439.76-146,884.20-58,692.40

Finding the Fourth Proportional to 106,439.76, 146,884.20 and 58,692.40

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Solution

The fourth proportional to 106,439.76, 146,884.20 and 58,692.40 is: 80,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.76 : 146,884.20 = 58,692.40 : x
  2. Step 2: Convert to fraction form
    106,439.76/146,884.20 = 58,692.40/x
  3. Step 3: Cross multiply
    106,439.76x = 146,884.20 × 58,692.40
  4. Step 4: Simplify right side
    106,439.76x = 8,620,986,220.08
  5. Step 5: Solve for x
    x = 8,620,986,220.08/106,439.76
  6. Step 6: Final answer
    x = 80,994.04

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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.