Home / 105,852.75-146,076.43-57,454.68

Finding the Fourth Proportional to 105,852.75, 146,076.43 and 57,454.68

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Solution

The fourth proportional to 105,852.75, 146,076.43 and 57,454.68 is: 79,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,852.75 : 146,076.43 = 57,454.68 : x
  2. Step 2: Convert to fraction form
    105,852.75/146,076.43 = 57,454.68/x
  3. Step 3: Cross multiply
    105,852.75x = 146,076.43 × 57,454.68
  4. Step 4: Simplify right side
    105,852.75x = 8,392,774,541.19
  5. Step 5: Solve for x
    x = 8,392,774,541.19/105,852.75
  6. Step 6: Final answer
    x = 79,287.26

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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.