Home / 51,964.20-77,946.30-48,277.80

Finding the Fourth Proportional to 51,964.20, 77,946.30 and 48,277.80

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Solution

The fourth proportional to 51,964.20, 77,946.30 and 48,277.80 is: 72,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,964.20 : 77,946.30 = 48,277.80 : x
  2. Step 2: Convert to fraction form
    51,964.20/77,946.30 = 48,277.80/x
  3. Step 3: Cross multiply
    51,964.20x = 77,946.30 × 48,277.80
  4. Step 4: Simplify right side
    51,964.20x = 3,763,075,882.14
  5. Step 5: Solve for x
    x = 3,763,075,882.14/51,964.20
  6. Step 6: Final answer
    x = 72,416.70

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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.