Home / 54,080.21-74,661.80-35,955.45

Finding the Fourth Proportional to 54,080.21, 74,661.80 and 35,955.45

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Solution

The fourth proportional to 54,080.21, 74,661.80 and 35,955.45 is: 49,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,080.21 : 74,661.80 = 35,955.45 : x
  2. Step 2: Convert to fraction form
    54,080.21/74,661.80 = 35,955.45/x
  3. Step 3: Cross multiply
    54,080.21x = 74,661.80 × 35,955.45
  4. Step 4: Simplify right side
    54,080.21x = 2,684,498,437.03
  5. Step 5: Solve for x
    x = 2,684,498,437.03/54,080.21
  6. Step 6: Final answer
    x = 49,639.20

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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.