Home / 74,173.20-111,346.20-44,624.40

Finding the Fourth Proportional to 74,173.20, 111,346.20 and 44,624.40

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Solution

The fourth proportional to 74,173.20, 111,346.20 and 44,624.40 is: 66,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,173.20 : 111,346.20 = 44,624.40 : x
  2. Step 2: Convert to fraction form
    74,173.20/111,346.20 = 44,624.40/x
  3. Step 3: Cross multiply
    74,173.20x = 111,346.20 × 44,624.40
  4. Step 4: Simplify right side
    74,173.20x = 4,968,757,367.28
  5. Step 5: Solve for x
    x = 4,968,757,367.28/74,173.20
  6. Step 6: Final answer
    x = 66,988.58

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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.