Home / 54,729.95-82,069.41-28,427.63

Finding the Fourth Proportional to 54,729.95, 82,069.41 and 28,427.63

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Solution

The fourth proportional to 54,729.95, 82,069.41 and 28,427.63 is: 42,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.95 : 82,069.41 = 28,427.63 : x
  2. Step 2: Convert to fraction form
    54,729.95/82,069.41 = 28,427.63/x
  3. Step 3: Cross multiply
    54,729.95x = 82,069.41 × 28,427.63
  4. Step 4: Simplify right side
    54,729.95x = 2,333,039,098.04
  5. Step 5: Solve for x
    x = 2,333,039,098.04/54,729.95
  6. Step 6: Final answer
    x = 42,628.20

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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.