Home / 109,361.46-164,042.27-30,477.77

Finding the Fourth Proportional to 109,361.46, 164,042.27 and 30,477.77

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Solution

The fourth proportional to 109,361.46, 164,042.27 and 30,477.77 is: 45,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361.46 : 164,042.27 = 30,477.77 : x
  2. Step 2: Convert to fraction form
    109,361.46/164,042.27 = 30,477.77/x
  3. Step 3: Cross multiply
    109,361.46x = 164,042.27 × 30,477.77
  4. Step 4: Simplify right side
    109,361.46x = 4,999,641,602.74
  5. Step 5: Solve for x
    x = 4,999,641,602.74/109,361.46
  6. Step 6: Final answer
    x = 45,716.67

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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.