Home / 74,501.24-111,705.14-27,715.64

Finding the Fourth Proportional to 74,501.24, 111,705.14 and 27,715.64

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Solution

The fourth proportional to 74,501.24, 111,705.14 and 27,715.64 is: 41,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.24 : 111,705.14 = 27,715.64 : x
  2. Step 2: Convert to fraction form
    74,501.24/111,705.14 = 27,715.64/x
  3. Step 3: Cross multiply
    74,501.24x = 111,705.14 × 27,715.64
  4. Step 4: Simplify right side
    74,501.24x = 3,095,979,446.39
  5. Step 5: Solve for x
    x = 3,095,979,446.39/74,501.24
  6. Step 6: Final answer
    x = 41,556.08

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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.