Home / 105,006.97-144,906.45-57,261.25

Finding the Fourth Proportional to 105,006.97, 144,906.45 and 57,261.25

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Solution

The fourth proportional to 105,006.97, 144,906.45 and 57,261.25 is: 79,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,006.97 : 144,906.45 = 57,261.25 : x
  2. Step 2: Convert to fraction form
    105,006.97/144,906.45 = 57,261.25/x
  3. Step 3: Cross multiply
    105,006.97x = 144,906.45 × 57,261.25
  4. Step 4: Simplify right side
    105,006.97x = 8,297,524,460.06
  5. Step 5: Solve for x
    x = 8,297,524,460.06/105,006.97
  6. Step 6: Final answer
    x = 79,018.80

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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.