Home / 74,824.29-103,253.39-42,554.57

Finding the Fourth Proportional to 74,824.29, 103,253.39 and 42,554.57

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Solution

The fourth proportional to 74,824.29, 103,253.39 and 42,554.57 is: 58,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,824.29 : 103,253.39 = 42,554.57 : x
  2. Step 2: Convert to fraction form
    74,824.29/103,253.39 = 42,554.57/x
  3. Step 3: Cross multiply
    74,824.29x = 103,253.39 × 42,554.57
  4. Step 4: Simplify right side
    74,824.29x = 4,393,902,883.45
  5. Step 5: Solve for x
    x = 4,393,902,883.45/74,824.29
  6. Step 6: Final answer
    x = 58,722.95

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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.