Home / 74,910.36-103,381.74-43,089.24

Finding the Fourth Proportional to 74,910.36, 103,381.74 and 43,089.24

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Solution

The fourth proportional to 74,910.36, 103,381.74 and 43,089.24 is: 59,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,910.36 : 103,381.74 = 43,089.24 : x
  2. Step 2: Convert to fraction form
    74,910.36/103,381.74 = 43,089.24/x
  3. Step 3: Cross multiply
    74,910.36x = 103,381.74 × 43,089.24
  4. Step 4: Simplify right side
    74,910.36x = 4,454,640,606.48
  5. Step 5: Solve for x
    x = 4,454,640,606.48/74,910.36
  6. Step 6: Final answer
    x = 59,466.28

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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.