Home / 74,304.88-111,495.64-49,362.16

Finding the Fourth Proportional to 74,304.88, 111,495.64 and 49,362.16

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Solution

The fourth proportional to 74,304.88, 111,495.64 and 49,362.16 is: 74,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304.88 : 111,495.64 = 49,362.16 : x
  2. Step 2: Convert to fraction form
    74,304.88/111,495.64 = 49,362.16/x
  3. Step 3: Cross multiply
    74,304.88x = 111,495.64 × 49,362.16
  4. Step 4: Simplify right side
    74,304.88x = 5,503,665,620.98
  5. Step 5: Solve for x
    x = 5,503,665,620.98/74,304.88
  6. Step 6: Final answer
    x = 74,068.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.