Home / 54,915.77-82,421.04-26,856.56

Finding the Fourth Proportional to 54,915.77, 82,421.04 and 26,856.56

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Solution

The fourth proportional to 54,915.77, 82,421.04 and 26,856.56 is: 40,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.77 : 82,421.04 = 26,856.56 : x
  2. Step 2: Convert to fraction form
    54,915.77/82,421.04 = 26,856.56/x
  3. Step 3: Cross multiply
    54,915.77x = 82,421.04 × 26,856.56
  4. Step 4: Simplify right side
    54,915.77x = 2,213,545,912.79
  5. Step 5: Solve for x
    x = 2,213,545,912.79/54,915.77
  6. Step 6: Final answer
    x = 40,308.02

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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.