Home / 104,947.23-144,772.59-66,641.22

Finding the Fourth Proportional to 104,947.23, 144,772.59 and 66,641.22

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Solution

The fourth proportional to 104,947.23, 144,772.59 and 66,641.22 is: 91,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.23 : 144,772.59 = 66,641.22 : x
  2. Step 2: Convert to fraction form
    104,947.23/144,772.59 = 66,641.22/x
  3. Step 3: Cross multiply
    104,947.23x = 144,772.59 × 66,641.22
  4. Step 4: Simplify right side
    104,947.23x = 9,647,822,020.16
  5. Step 5: Solve for x
    x = 9,647,822,020.16/104,947.23
  6. Step 6: Final answer
    x = 91,930.22

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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.