Home / 50,515.84-75,676.72-28,261.72

Finding the Fourth Proportional to 50,515.84, 75,676.72 and 28,261.72

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Solution

The fourth proportional to 50,515.84, 75,676.72 and 28,261.72 is: 42,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.84 : 75,676.72 = 28,261.72 : x
  2. Step 2: Convert to fraction form
    50,515.84/75,676.72 = 28,261.72/x
  3. Step 3: Cross multiply
    50,515.84x = 75,676.72 × 28,261.72
  4. Step 4: Simplify right side
    50,515.84x = 2,138,754,271.16
  5. Step 5: Solve for x
    x = 2,138,754,271.16/50,515.84
  6. Step 6: Final answer
    x = 42,338.29

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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.