Home / 104,749.36-144,551.22-57,001.60

Finding the Fourth Proportional to 104,749.36, 144,551.22 and 57,001.60

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Solution

The fourth proportional to 104,749.36, 144,551.22 and 57,001.60 is: 78,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.36 : 144,551.22 = 57,001.60 : x
  2. Step 2: Convert to fraction form
    104,749.36/144,551.22 = 57,001.60/x
  3. Step 3: Cross multiply
    104,749.36x = 144,551.22 × 57,001.60
  4. Step 4: Simplify right side
    104,749.36x = 8,239,650,821.95
  5. Step 5: Solve for x
    x = 8,239,650,821.95/104,749.36
  6. Step 6: Final answer
    x = 78,660.63

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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.