Home / 104,981.36-144,878.82-57,237.44

Finding the Fourth Proportional to 104,981.36, 144,878.82 and 57,237.44

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Solution

The fourth proportional to 104,981.36, 144,878.82 and 57,237.44 is: 78,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,981.36 : 144,878.82 = 57,237.44 : x
  2. Step 2: Convert to fraction form
    104,981.36/144,878.82 = 57,237.44/x
  3. Step 3: Cross multiply
    104,981.36x = 144,878.82 × 57,237.44
  4. Step 4: Simplify right side
    104,981.36x = 8,292,492,767.02
  5. Step 5: Solve for x
    x = 8,292,492,767.02/104,981.36
  6. Step 6: Final answer
    x = 78,990.14

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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.