Home / 74,426.46-111,643.32-30,047.67

Finding the Fourth Proportional to 74,426.46, 111,643.32 and 30,047.67

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Solution

The fourth proportional to 74,426.46, 111,643.32 and 30,047.67 is: 45,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.46 : 111,643.32 = 30,047.67 : x
  2. Step 2: Convert to fraction form
    74,426.46/111,643.32 = 30,047.67/x
  3. Step 3: Cross multiply
    74,426.46x = 111,643.32 × 30,047.67
  4. Step 4: Simplify right side
    74,426.46x = 3,354,621,637.06
  5. Step 5: Solve for x
    x = 3,354,621,637.06/74,426.46
  6. Step 6: Final answer
    x = 45,072.97

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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.