Home / 70,623.60-105,884.08-33,164.40

Finding the Fourth Proportional to 70,623.60, 105,884.08 and 33,164.40

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Solution

The fourth proportional to 70,623.60, 105,884.08 and 33,164.40 is: 49,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,623.60 : 105,884.08 = 33,164.40 : x
  2. Step 2: Convert to fraction form
    70,623.60/105,884.08 = 33,164.40/x
  3. Step 3: Cross multiply
    70,623.60x = 105,884.08 × 33,164.40
  4. Step 4: Simplify right side
    70,623.60x = 3,511,581,982.75
  5. Step 5: Solve for x
    x = 3,511,581,982.75/70,623.60
  6. Step 6: Final answer
    x = 49,722.50

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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.