Home / 50,519.40-75,619.08-28,265.52

Finding the Fourth Proportional to 50,519.40, 75,619.08 and 28,265.52

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Solution

The fourth proportional to 50,519.40, 75,619.08 and 28,265.52 is: 42,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.40 : 75,619.08 = 28,265.52 : x
  2. Step 2: Convert to fraction form
    50,519.40/75,619.08 = 28,265.52/x
  3. Step 3: Cross multiply
    50,519.40x = 75,619.08 × 28,265.52
  4. Step 4: Simplify right side
    50,519.40x = 2,137,412,618.12
  5. Step 5: Solve for x
    x = 2,137,412,618.12/50,519.40
  6. Step 6: Final answer
    x = 42,308.75

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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.