Home / 104,738.48-144,536.76-56,991.94

Finding the Fourth Proportional to 104,738.48, 144,536.76 and 56,991.94

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Solution

The fourth proportional to 104,738.48, 144,536.76 and 56,991.94 is: 78,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,738.48 : 144,536.76 = 56,991.94 : x
  2. Step 2: Convert to fraction form
    104,738.48/144,536.76 = 56,991.94/x
  3. Step 3: Cross multiply
    104,738.48x = 144,536.76 × 56,991.94
  4. Step 4: Simplify right side
    104,738.48x = 8,237,430,353.71
  5. Step 5: Solve for x
    x = 8,237,430,353.71/104,738.48
  6. Step 6: Final answer
    x = 78,647.60

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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.