Home / 74,904-103,374.09-41,376.48

Finding the Fourth Proportional to 74,904, 103,374.09 and 41,376.48

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Solution

The fourth proportional to 74,904, 103,374.09 and 41,376.48 is: 57,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904 : 103,374.09 = 41,376.48 : x
  2. Step 2: Convert to fraction form
    74,904/103,374.09 = 41,376.48/x
  3. Step 3: Cross multiply
    74,904x = 103,374.09 × 41,376.48
  4. Step 4: Simplify right side
    74,904x = 4,277,255,967.40
  5. Step 5: Solve for x
    x = 4,277,255,967.40/74,904
  6. Step 6: Final answer
    x = 57,103.17

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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.