Home / 45,226.80-67,840.20-29,480.40

Finding the Fourth Proportional to 45,226.80, 67,840.20 and 29,480.40

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Solution

The fourth proportional to 45,226.80, 67,840.20 and 29,480.40 is: 44,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.80 : 67,840.20 = 29,480.40 : x
  2. Step 2: Convert to fraction form
    45,226.80/67,840.20 = 29,480.40/x
  3. Step 3: Cross multiply
    45,226.80x = 67,840.20 × 29,480.40
  4. Step 4: Simplify right side
    45,226.80x = 1,999,956,232.08
  5. Step 5: Solve for x
    x = 1,999,956,232.08/45,226.80
  6. Step 6: Final answer
    x = 44,220.60

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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.