Home / 74,637.60-102,996.36-41,103.60

Finding the Fourth Proportional to 74,637.60, 102,996.36 and 41,103.60

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Solution

The fourth proportional to 74,637.60, 102,996.36 and 41,103.60 is: 56,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,637.60 : 102,996.36 = 41,103.60 : x
  2. Step 2: Convert to fraction form
    74,637.60/102,996.36 = 41,103.60/x
  3. Step 3: Cross multiply
    74,637.60x = 102,996.36 × 41,103.60
  4. Step 4: Simplify right side
    74,637.60x = 4,233,521,182.90
  5. Step 5: Solve for x
    x = 4,233,521,182.90/74,637.60
  6. Step 6: Final answer
    x = 56,721.03

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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.