Home / 74,915.52-103,381.56-43,083.68

Finding the Fourth Proportional to 74,915.52, 103,381.56 and 43,083.68

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Solution

The fourth proportional to 74,915.52, 103,381.56 and 43,083.68 is: 59,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,915.52 : 103,381.56 = 43,083.68 : x
  2. Step 2: Convert to fraction form
    74,915.52/103,381.56 = 43,083.68/x
  3. Step 3: Cross multiply
    74,915.52x = 103,381.56 × 43,083.68
  4. Step 4: Simplify right side
    74,915.52x = 4,454,058,048.94
  5. Step 5: Solve for x
    x = 4,454,058,048.94/74,915.52
  6. Step 6: Final answer
    x = 59,454.41

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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.