Home / 55,609.08-76,741.02-31,735.50

Finding the Fourth Proportional to 55,609.08, 76,741.02 and 31,735.50

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Solution

The fourth proportional to 55,609.08, 76,741.02 and 31,735.50 is: 43,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.08 : 76,741.02 = 31,735.50 : x
  2. Step 2: Convert to fraction form
    55,609.08/76,741.02 = 31,735.50/x
  3. Step 3: Cross multiply
    55,609.08x = 76,741.02 × 31,735.50
  4. Step 4: Simplify right side
    55,609.08x = 2,435,414,640.21
  5. Step 5: Solve for x
    x = 2,435,414,640.21/55,609.08
  6. Step 6: Final answer
    x = 43,795.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.