Home / 72,933.23-109,441.34-58,235.54

Finding the Fourth Proportional to 72,933.23, 109,441.34 and 58,235.54

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Solution

The fourth proportional to 72,933.23, 109,441.34 and 58,235.54 is: 87,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,933.23 : 109,441.34 = 58,235.54 : x
  2. Step 2: Convert to fraction form
    72,933.23/109,441.34 = 58,235.54/x
  3. Step 3: Cross multiply
    72,933.23x = 109,441.34 × 58,235.54
  4. Step 4: Simplify right side
    72,933.23x = 6,373,375,734.03
  5. Step 5: Solve for x
    x = 6,373,375,734.03/72,933.23
  6. Step 6: Final answer
    x = 87,386.45

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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.