Home / 104,619.60-144,376.48-56,873.97

Finding the Fourth Proportional to 104,619.60, 144,376.48 and 56,873.97

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Solution

The fourth proportional to 104,619.60, 144,376.48 and 56,873.97 is: 78,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619.60 : 144,376.48 = 56,873.97 : x
  2. Step 2: Convert to fraction form
    104,619.60/144,376.48 = 56,873.97/x
  3. Step 3: Cross multiply
    104,619.60x = 144,376.48 × 56,873.97
  4. Step 4: Simplify right side
    104,619.60x = 8,211,263,749.46
  5. Step 5: Solve for x
    x = 8,211,263,749.46/104,619.60
  6. Step 6: Final answer
    x = 78,486.86

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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.