Home / 58,536.75-80,780.91-31,679.25

Finding the Fourth Proportional to 58,536.75, 80,780.91 and 31,679.25

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Solution

The fourth proportional to 58,536.75, 80,780.91 and 31,679.25 is: 43,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,536.75 : 80,780.91 = 31,679.25 : x
  2. Step 2: Convert to fraction form
    58,536.75/80,780.91 = 31,679.25/x
  3. Step 3: Cross multiply
    58,536.75x = 80,780.91 × 31,679.25
  4. Step 4: Simplify right side
    58,536.75x = 2,559,078,643.12
  5. Step 5: Solve for x
    x = 2,559,078,643.12/58,536.75
  6. Step 6: Final answer
    x = 43,717.47

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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.