Home / 104,422.43-144,103.05-56,675.81

Finding the Fourth Proportional to 104,422.43, 144,103.05 and 56,675.81

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Solution

The fourth proportional to 104,422.43, 144,103.05 and 56,675.81 is: 78,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.43 : 144,103.05 = 56,675.81 : x
  2. Step 2: Convert to fraction form
    104,422.43/144,103.05 = 56,675.81/x
  3. Step 3: Cross multiply
    104,422.43x = 144,103.05 × 56,675.81
  4. Step 4: Simplify right side
    104,422.43x = 8,167,156,361.71
  5. Step 5: Solve for x
    x = 8,167,156,361.71/104,422.43
  6. Step 6: Final answer
    x = 78,212.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.