Home / 79,028.56-108,971.40-58,897.36

Finding the Fourth Proportional to 79,028.56, 108,971.40 and 58,897.36

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Solution

The fourth proportional to 79,028.56, 108,971.40 and 58,897.36 is: 81,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,028.56 : 108,971.40 = 58,897.36 : x
  2. Step 2: Convert to fraction form
    79,028.56/108,971.40 = 58,897.36/x
  3. Step 3: Cross multiply
    79,028.56x = 108,971.40 × 58,897.36
  4. Step 4: Simplify right side
    79,028.56x = 6,418,127,775.50
  5. Step 5: Solve for x
    x = 6,418,127,775.50/79,028.56
  6. Step 6: Final answer
    x = 81,212.76

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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.