Home / 74,915.62-103,386.70-43,084.54

Finding the Fourth Proportional to 74,915.62, 103,386.70 and 43,084.54

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Solution

The fourth proportional to 74,915.62, 103,386.70 and 43,084.54 is: 59,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,915.62 : 103,386.70 = 43,084.54 : x
  2. Step 2: Convert to fraction form
    74,915.62/103,386.70 = 43,084.54/x
  3. Step 3: Cross multiply
    74,915.62x = 103,386.70 × 43,084.54
  4. Step 4: Simplify right side
    74,915.62x = 4,454,368,562.37
  5. Step 5: Solve for x
    x = 4,454,368,562.37/74,915.62
  6. Step 6: Final answer
    x = 59,458.48

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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.