Home / 48,928.40-73,392.60-45,623.60

Finding the Fourth Proportional to 48,928.40, 73,392.60 and 45,623.60

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Solution

The fourth proportional to 48,928.40, 73,392.60 and 45,623.60 is: 68,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928.40 : 73,392.60 = 45,623.60 : x
  2. Step 2: Convert to fraction form
    48,928.40/73,392.60 = 45,623.60/x
  3. Step 3: Cross multiply
    48,928.40x = 73,392.60 × 45,623.60
  4. Step 4: Simplify right side
    48,928.40x = 3,348,434,625.36
  5. Step 5: Solve for x
    x = 3,348,434,625.36/48,928.40
  6. Step 6: Final answer
    x = 68,435.40

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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.