Home / 104,821.83-144,654.93-57,075.17

Finding the Fourth Proportional to 104,821.83, 144,654.93 and 57,075.17

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Solution

The fourth proportional to 104,821.83, 144,654.93 and 57,075.17 is: 78,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.83 : 144,654.93 = 57,075.17 : x
  2. Step 2: Convert to fraction form
    104,821.83/144,654.93 = 57,075.17/x
  3. Step 3: Cross multiply
    104,821.83x = 144,654.93 × 57,075.17
  4. Step 4: Simplify right side
    104,821.83x = 8,256,203,997.81
  5. Step 5: Solve for x
    x = 8,256,203,997.81/104,821.83
  6. Step 6: Final answer
    x = 78,764.17

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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.