Home / 54,741.20-82,111.80-36,046.40

Finding the Fourth Proportional to 54,741.20, 82,111.80 and 36,046.40

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Solution

The fourth proportional to 54,741.20, 82,111.80 and 36,046.40 is: 54,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.20 : 82,111.80 = 36,046.40 : x
  2. Step 2: Convert to fraction form
    54,741.20/82,111.80 = 36,046.40/x
  3. Step 3: Cross multiply
    54,741.20x = 82,111.80 × 36,046.40
  4. Step 4: Simplify right side
    54,741.20x = 2,959,834,787.52
  5. Step 5: Solve for x
    x = 2,959,834,787.52/54,741.20
  6. Step 6: Final answer
    x = 54,069.60

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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.