Home / 54,184.11-74,785.75-32,970.21

Finding the Fourth Proportional to 54,184.11, 74,785.75 and 32,970.21

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Solution

The fourth proportional to 54,184.11, 74,785.75 and 32,970.21 is: 45,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,184.11 : 74,785.75 = 32,970.21 : x
  2. Step 2: Convert to fraction form
    54,184.11/74,785.75 = 32,970.21/x
  3. Step 3: Cross multiply
    54,184.11x = 74,785.75 × 32,970.21
  4. Step 4: Simplify right side
    54,184.11x = 2,465,701,519.64
  5. Step 5: Solve for x
    x = 2,465,701,519.64/54,184.11
  6. Step 6: Final answer
    x = 45,505.99

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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.