Home / 51,974.21-77,585.34-45,668.55

Finding the Fourth Proportional to 51,974.21, 77,585.34 and 45,668.55

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Solution

The fourth proportional to 51,974.21, 77,585.34 and 45,668.55 is: 68,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,974.21 : 77,585.34 = 45,668.55 : x
  2. Step 2: Convert to fraction form
    51,974.21/77,585.34 = 45,668.55/x
  3. Step 3: Cross multiply
    51,974.21x = 77,585.34 × 45,668.55
  4. Step 4: Simplify right side
    51,974.21x = 3,543,209,895.74
  5. Step 5: Solve for x
    x = 3,543,209,895.74/51,974.21
  6. Step 6: Final answer
    x = 68,172.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.