Home / 104,966.56-144,852.75-57,218.89

Finding the Fourth Proportional to 104,966.56, 144,852.75 and 57,218.89

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Solution

The fourth proportional to 104,966.56, 144,852.75 and 57,218.89 is: 78,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,966.56 : 144,852.75 = 57,218.89 : x
  2. Step 2: Convert to fraction form
    104,966.56/144,852.75 = 57,218.89/x
  3. Step 3: Cross multiply
    104,966.56x = 144,852.75 × 57,218.89
  4. Step 4: Simplify right side
    104,966.56x = 8,288,313,568.45
  5. Step 5: Solve for x
    x = 8,288,313,568.45/104,966.56
  6. Step 6: Final answer
    x = 78,961.47

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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.