Home / 56,558.93-84,835.73-19,120.50

Finding the Fourth Proportional to 56,558.93, 84,835.73 and 19,120.50

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Solution

The fourth proportional to 56,558.93, 84,835.73 and 19,120.50 is: 28,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,558.93 : 84,835.73 = 19,120.50 : x
  2. Step 2: Convert to fraction form
    56,558.93/84,835.73 = 19,120.50/x
  3. Step 3: Cross multiply
    56,558.93x = 84,835.73 × 19,120.50
  4. Step 4: Simplify right side
    56,558.93x = 1,622,101,623.27
  5. Step 5: Solve for x
    x = 1,622,101,623.27/56,558.93
  6. Step 6: Final answer
    x = 28,679.85

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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.