Home / 109,075.77-150,535.94-66,662.55

Finding the Fourth Proportional to 109,075.77, 150,535.94 and 66,662.55

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Solution

The fourth proportional to 109,075.77, 150,535.94 and 66,662.55 is: 92,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,075.77 : 150,535.94 = 66,662.55 : x
  2. Step 2: Convert to fraction form
    109,075.77/150,535.94 = 66,662.55/x
  3. Step 3: Cross multiply
    109,075.77x = 150,535.94 × 66,662.55
  4. Step 4: Simplify right side
    109,075.77x = 10,035,109,293.73
  5. Step 5: Solve for x
    x = 10,035,109,293.73/109,075.77
  6. Step 6: Final answer
    x = 92,001.27

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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.