Home / 104,851.13-144,696.21-57,104.45

Finding the Fourth Proportional to 104,851.13, 144,696.21 and 57,104.45

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Solution

The fourth proportional to 104,851.13, 144,696.21 and 57,104.45 is: 78,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,851.13 : 144,696.21 = 57,104.45 : x
  2. Step 2: Convert to fraction form
    104,851.13/144,696.21 = 57,104.45/x
  3. Step 3: Cross multiply
    104,851.13x = 144,696.21 × 57,104.45
  4. Step 4: Simplify right side
    104,851.13x = 8,262,796,979.80
  5. Step 5: Solve for x
    x = 8,262,796,979.80/104,851.13
  6. Step 6: Final answer
    x = 78,805.03

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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.