Home / 104,852.45-144,698.03-57,105.76

Finding the Fourth Proportional to 104,852.45, 144,698.03 and 57,105.76

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Solution

The fourth proportional to 104,852.45, 144,698.03 and 57,105.76 is: 78,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,852.45 : 144,698.03 = 57,105.76 : x
  2. Step 2: Convert to fraction form
    104,852.45/144,698.03 = 57,105.76/x
  3. Step 3: Cross multiply
    104,852.45x = 144,698.03 × 57,105.76
  4. Step 4: Simplify right side
    104,852.45x = 8,263,090,688.12
  5. Step 5: Solve for x
    x = 8,263,090,688.12/104,852.45
  6. Step 6: Final answer
    x = 78,806.84

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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.