Home / 73,570.40-110,355.60-18,166.40

Finding the Fourth Proportional to 73,570.40, 110,355.60 and 18,166.40

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Solution

The fourth proportional to 73,570.40, 110,355.60 and 18,166.40 is: 27,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,570.40 : 110,355.60 = 18,166.40 : x
  2. Step 2: Convert to fraction form
    73,570.40/110,355.60 = 18,166.40/x
  3. Step 3: Cross multiply
    73,570.40x = 110,355.60 × 18,166.40
  4. Step 4: Simplify right side
    73,570.40x = 2,004,763,971.84
  5. Step 5: Solve for x
    x = 2,004,763,971.84/73,570.40
  6. Step 6: Final answer
    x = 27,249.60

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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.