Home / 51,931.41-71,674.65-49,564.89

Finding the Fourth Proportional to 51,931.41, 71,674.65 and 49,564.89

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Solution

The fourth proportional to 51,931.41, 71,674.65 and 49,564.89 is: 68,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.41 : 71,674.65 = 49,564.89 : x
  2. Step 2: Convert to fraction form
    51,931.41/71,674.65 = 49,564.89/x
  3. Step 3: Cross multiply
    51,931.41x = 71,674.65 × 49,564.89
  4. Step 4: Simplify right side
    51,931.41x = 3,552,546,143.04
  5. Step 5: Solve for x
    x = 3,552,546,143.04/51,931.41
  6. Step 6: Final answer
    x = 68,408.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.