Home / 74,365.04-102,537.06-55,469.36

Finding the Fourth Proportional to 74,365.04, 102,537.06 and 55,469.36

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Solution

The fourth proportional to 74,365.04, 102,537.06 and 55,469.36 is: 76,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,365.04 : 102,537.06 = 55,469.36 : x
  2. Step 2: Convert to fraction form
    74,365.04/102,537.06 = 55,469.36/x
  3. Step 3: Cross multiply
    74,365.04x = 102,537.06 × 55,469.36
  4. Step 4: Simplify right side
    74,365.04x = 5,687,665,142.81
  5. Step 5: Solve for x
    x = 5,687,665,142.81/74,365.04
  6. Step 6: Final answer
    x = 76,483.05

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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.