Home / 104,821.68-144,657.54-57,075.84

Finding the Fourth Proportional to 104,821.68, 144,657.54 and 57,075.84

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Solution

The fourth proportional to 104,821.68, 144,657.54 and 57,075.84 is: 78,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,821.68 : 144,657.54 = 57,075.84 : x
  2. Step 2: Convert to fraction form
    104,821.68/144,657.54 = 57,075.84/x
  3. Step 3: Cross multiply
    104,821.68x = 144,657.54 × 57,075.84
  4. Step 4: Simplify right side
    104,821.68x = 8,256,450,607.83
  5. Step 5: Solve for x
    x = 8,256,450,607.83/104,821.68
  6. Step 6: Final answer
    x = 78,766.63

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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.