Home / 104,663.56-144,436.68-56,917.36

Finding the Fourth Proportional to 104,663.56, 144,436.68 and 56,917.36

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Solution

The fourth proportional to 104,663.56, 144,436.68 and 56,917.36 is: 78,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,663.56 : 144,436.68 = 56,917.36 : x
  2. Step 2: Convert to fraction form
    104,663.56/144,436.68 = 56,917.36/x
  3. Step 3: Cross multiply
    104,663.56x = 144,436.68 × 56,917.36
  4. Step 4: Simplify right side
    104,663.56x = 8,220,954,512.76
  5. Step 5: Solve for x
    x = 8,220,954,512.76/104,663.56
  6. Step 6: Final answer
    x = 78,546.48

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1.5x scale

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.