Home / 104,955.09-144,836.56-57,208.63

Finding the Fourth Proportional to 104,955.09, 144,836.56 and 57,208.63

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Solution

The fourth proportional to 104,955.09, 144,836.56 and 57,208.63 is: 78,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,955.09 : 144,836.56 = 57,208.63 : x
  2. Step 2: Convert to fraction form
    104,955.09/144,836.56 = 57,208.63/x
  3. Step 3: Cross multiply
    104,955.09x = 144,836.56 × 57,208.63
  4. Step 4: Simplify right side
    104,955.09x = 8,285,901,171.51
  5. Step 5: Solve for x
    x = 8,285,901,171.51/104,955.09
  6. Step 6: Final answer
    x = 78,947.11

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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.