Home / 57,698.26-79,623.66-31,856.86

Finding the Fourth Proportional to 57,698.26, 79,623.66 and 31,856.86

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Solution

The fourth proportional to 57,698.26, 79,623.66 and 31,856.86 is: 43,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.26 : 79,623.66 = 31,856.86 : x
  2. Step 2: Convert to fraction form
    57,698.26/79,623.66 = 31,856.86/x
  3. Step 3: Cross multiply
    57,698.26x = 79,623.66 × 31,856.86
  4. Step 4: Simplify right side
    57,698.26x = 2,536,559,789.31
  5. Step 5: Solve for x
    x = 2,536,559,789.31/57,698.26
  6. Step 6: Final answer
    x = 43,962.50

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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.