Home / 51,927.60-77,891.40-51,466.80

Finding the Fourth Proportional to 51,927.60, 77,891.40 and 51,466.80

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Solution

The fourth proportional to 51,927.60, 77,891.40 and 51,466.80 is: 77,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,927.60 : 77,891.40 = 51,466.80 : x
  2. Step 2: Convert to fraction form
    51,927.60/77,891.40 = 51,466.80/x
  3. Step 3: Cross multiply
    51,927.60x = 77,891.40 × 51,466.80
  4. Step 4: Simplify right side
    51,927.60x = 4,008,821,105.52
  5. Step 5: Solve for x
    x = 4,008,821,105.52/51,927.60
  6. Step 6: Final answer
    x = 77,200.20

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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.