Home / 58,538.25-80,782.98-31,680.75

Finding the Fourth Proportional to 58,538.25, 80,782.98 and 31,680.75

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Solution

The fourth proportional to 58,538.25, 80,782.98 and 31,680.75 is: 43,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,538.25 : 80,782.98 = 31,680.75 : x
  2. Step 2: Convert to fraction form
    58,538.25/80,782.98 = 31,680.75/x
  3. Step 3: Cross multiply
    58,538.25x = 80,782.98 × 31,680.75
  4. Step 4: Simplify right side
    58,538.25x = 2,559,265,393.64
  5. Step 5: Solve for x
    x = 2,559,265,393.64/58,538.25
  6. Step 6: Final answer
    x = 43,719.54

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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.