Home / 66,184.47-91,335.14-35,969.78

Finding the Fourth Proportional to 66,184.47, 91,335.14 and 35,969.78

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Solution

The fourth proportional to 66,184.47, 91,335.14 and 35,969.78 is: 49,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184.47 : 91,335.14 = 35,969.78 : x
  2. Step 2: Convert to fraction form
    66,184.47/91,335.14 = 35,969.78/x
  3. Step 3: Cross multiply
    66,184.47x = 91,335.14 × 35,969.78
  4. Step 4: Simplify right side
    66,184.47x = 3,285,305,075.44
  5. Step 5: Solve for x
    x = 3,285,305,075.44/66,184.47
  6. Step 6: Final answer
    x = 49,638.61

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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.