Home / 104,895.06-144,751.33-57,147.38

Finding the Fourth Proportional to 104,895.06, 144,751.33 and 57,147.38

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Solution

The fourth proportional to 104,895.06, 144,751.33 and 57,147.38 is: 78,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,895.06 : 144,751.33 = 57,147.38 : x
  2. Step 2: Convert to fraction form
    104,895.06/144,751.33 = 57,147.38/x
  3. Step 3: Cross multiply
    104,895.06x = 144,751.33 × 57,147.38
  4. Step 4: Simplify right side
    104,895.06x = 8,272,159,480.03
  5. Step 5: Solve for x
    x = 8,272,159,480.03/104,895.06
  6. Step 6: Final answer
    x = 78,861.29

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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.