Home / 104,565.48-144,300.60-56,817.78

Finding the Fourth Proportional to 104,565.48, 144,300.60 and 56,817.78

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Solution

The fourth proportional to 104,565.48, 144,300.60 and 56,817.78 is: 78,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,565.48 : 144,300.60 = 56,817.78 : x
  2. Step 2: Convert to fraction form
    104,565.48/144,300.60 = 56,817.78/x
  3. Step 3: Cross multiply
    104,565.48x = 144,300.60 × 56,817.78
  4. Step 4: Simplify right side
    104,565.48x = 8,198,839,744.67
  5. Step 5: Solve for x
    x = 8,198,839,744.67/104,565.48
  6. Step 6: Final answer
    x = 78,408.67

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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.