Home / 74,699.74-103,127.83-49,583.58

Finding the Fourth Proportional to 74,699.74, 103,127.83 and 49,583.58

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Solution

The fourth proportional to 74,699.74, 103,127.83 and 49,583.58 is: 68,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699.74 : 103,127.83 = 49,583.58 : x
  2. Step 2: Convert to fraction form
    74,699.74/103,127.83 = 49,583.58/x
  3. Step 3: Cross multiply
    74,699.74x = 103,127.83 × 49,583.58
  4. Step 4: Simplify right side
    74,699.74x = 5,113,447,009.03
  5. Step 5: Solve for x
    x = 5,113,447,009.03/74,699.74
  6. Step 6: Final answer
    x = 68,453.34

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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.