Home / 54,729.20-82,093.80-31,336.40

Finding the Fourth Proportional to 54,729.20, 82,093.80 and 31,336.40

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Solution

The fourth proportional to 54,729.20, 82,093.80 and 31,336.40 is: 47,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.20 : 82,093.80 = 31,336.40 : x
  2. Step 2: Convert to fraction form
    54,729.20/82,093.80 = 31,336.40/x
  3. Step 3: Cross multiply
    54,729.20x = 82,093.80 × 31,336.40
  4. Step 4: Simplify right side
    54,729.20x = 2,572,524,154.32
  5. Step 5: Solve for x
    x = 2,572,524,154.32/54,729.20
  6. Step 6: Final answer
    x = 47,004.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.