Home / 74,206.96-111,310.67-18,047.08

Finding the Fourth Proportional to 74,206.96, 111,310.67 and 18,047.08

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Solution

The fourth proportional to 74,206.96, 111,310.67 and 18,047.08 is: 27,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,206.96 : 111,310.67 = 18,047.08 : x
  2. Step 2: Convert to fraction form
    74,206.96/111,310.67 = 18,047.08/x
  3. Step 3: Cross multiply
    74,206.96x = 111,310.67 × 18,047.08
  4. Step 4: Simplify right side
    74,206.96x = 2,008,832,197.83
  5. Step 5: Solve for x
    x = 2,008,832,197.83/74,206.96
  6. Step 6: Final answer
    x = 27,070.67

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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.