Home / 74,915.91-103,375.31-43,095.06

Finding the Fourth Proportional to 74,915.91, 103,375.31 and 43,095.06

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Solution

The fourth proportional to 74,915.91, 103,375.31 and 43,095.06 is: 59,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,915.91 : 103,375.31 = 43,095.06 : x
  2. Step 2: Convert to fraction form
    74,915.91/103,375.31 = 43,095.06/x
  3. Step 3: Cross multiply
    74,915.91x = 103,375.31 × 43,095.06
  4. Step 4: Simplify right side
    74,915.91x = 4,454,964,971.49
  5. Step 5: Solve for x
    x = 4,454,964,971.49/74,915.91
  6. Step 6: Final answer
    x = 59,466.21

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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.