Home / 74,302.54-111,313.68-57,580.83

Finding the Fourth Proportional to 74,302.54, 111,313.68 and 57,580.83

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Solution

The fourth proportional to 74,302.54, 111,313.68 and 57,580.83 is: 86,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.54 : 111,313.68 = 57,580.83 : x
  2. Step 2: Convert to fraction form
    74,302.54/111,313.68 = 57,580.83/x
  3. Step 3: Cross multiply
    74,302.54x = 111,313.68 × 57,580.83
  4. Step 4: Simplify right side
    74,302.54x = 6,409,534,084.75
  5. Step 5: Solve for x
    x = 6,409,534,084.75/74,302.54
  6. Step 6: Final answer
    x = 86,262.65

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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.