Home / 74,376.24-111,564.48-52,288.32

Finding the Fourth Proportional to 74,376.24, 111,564.48 and 52,288.32

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Solution

The fourth proportional to 74,376.24, 111,564.48 and 52,288.32 is: 78,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,376.24 : 111,564.48 = 52,288.32 : x
  2. Step 2: Convert to fraction form
    74,376.24/111,564.48 = 52,288.32/x
  3. Step 3: Cross multiply
    74,376.24x = 111,564.48 × 52,288.32
  4. Step 4: Simplify right side
    74,376.24x = 5,833,519,230.87
  5. Step 5: Solve for x
    x = 5,833,519,230.87/74,376.24
  6. Step 6: Final answer
    x = 78,432.56

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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.