Home / 104,238.11-143,848.70-56,491.44

Finding the Fourth Proportional to 104,238.11, 143,848.70 and 56,491.44

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Solution

The fourth proportional to 104,238.11, 143,848.70 and 56,491.44 is: 77,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238.11 : 143,848.70 = 56,491.44 : x
  2. Step 2: Convert to fraction form
    104,238.11/143,848.70 = 56,491.44/x
  3. Step 3: Cross multiply
    104,238.11x = 143,848.70 × 56,491.44
  4. Step 4: Simplify right side
    104,238.11x = 8,126,219,922.67
  5. Step 5: Solve for x
    x = 8,126,219,922.67/104,238.11
  6. Step 6: Final answer
    x = 77,958.25

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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.