Home / 51,729.47-77,486.55-49,945.04

Finding the Fourth Proportional to 51,729.47, 77,486.55 and 49,945.04

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Solution

The fourth proportional to 51,729.47, 77,486.55 and 49,945.04 is: 74,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.47 : 77,486.55 = 49,945.04 : x
  2. Step 2: Convert to fraction form
    51,729.47/77,486.55 = 49,945.04/x
  3. Step 3: Cross multiply
    51,729.47x = 77,486.55 × 49,945.04
  4. Step 4: Simplify right side
    51,729.47x = 3,870,068,839.21
  5. Step 5: Solve for x
    x = 3,870,068,839.21/51,729.47
  6. Step 6: Final answer
    x = 74,813.62

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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.