Home / 104,075.01-143,685.41-68,327.69

Finding the Fourth Proportional to 104,075.01, 143,685.41 and 68,327.69

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Solution

The fourth proportional to 104,075.01, 143,685.41 and 68,327.69 is: 94,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,075.01 : 143,685.41 = 68,327.69 : x
  2. Step 2: Convert to fraction form
    104,075.01/143,685.41 = 68,327.69/x
  3. Step 3: Cross multiply
    104,075.01x = 143,685.41 × 68,327.69
  4. Step 4: Simplify right side
    104,075.01x = 9,817,691,091.94
  5. Step 5: Solve for x
    x = 9,817,691,091.94/104,075.01
  6. Step 6: Final answer
    x = 94,332.84

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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.