Home / 54,885.50-75,750.16-33,378.75

Finding the Fourth Proportional to 54,885.50, 75,750.16 and 33,378.75

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Solution

The fourth proportional to 54,885.50, 75,750.16 and 33,378.75 is: 46,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.50 : 75,750.16 = 33,378.75 : x
  2. Step 2: Convert to fraction form
    54,885.50/75,750.16 = 33,378.75/x
  3. Step 3: Cross multiply
    54,885.50x = 75,750.16 × 33,378.75
  4. Step 4: Simplify right side
    54,885.50x = 2,528,445,406.55
  5. Step 5: Solve for x
    x = 2,528,445,406.55/54,885.50
  6. Step 6: Final answer
    x = 46,067.64

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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.