Home / 104,559.21-144,292.59-56,812.56

Finding the Fourth Proportional to 104,559.21, 144,292.59 and 56,812.56

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Solution

The fourth proportional to 104,559.21, 144,292.59 and 56,812.56 is: 78,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,559.21 : 144,292.59 = 56,812.56 : x
  2. Step 2: Convert to fraction form
    104,559.21/144,292.59 = 56,812.56/x
  3. Step 3: Cross multiply
    104,559.21x = 144,292.59 × 56,812.56
  4. Step 4: Simplify right side
    104,559.21x = 8,197,631,066.20
  5. Step 5: Solve for x
    x = 8,197,631,066.20/104,559.21
  6. Step 6: Final answer
    x = 78,401.81

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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.