Home / 74,623.77-111,935.75-61,448.51

Finding the Fourth Proportional to 74,623.77, 111,935.75 and 61,448.51

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Solution

The fourth proportional to 74,623.77, 111,935.75 and 61,448.51 is: 92,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.77 : 111,935.75 = 61,448.51 : x
  2. Step 2: Convert to fraction form
    74,623.77/111,935.75 = 61,448.51/x
  3. Step 3: Cross multiply
    74,623.77x = 111,935.75 × 61,448.51
  4. Step 4: Simplify right side
    74,623.77x = 6,878,284,186.31
  5. Step 5: Solve for x
    x = 6,878,284,186.31/74,623.77
  6. Step 6: Final answer
    x = 92,172.83

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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.