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Finding the Fourth Proportional to 79,030.56, 108,974.16 and 58,899.36

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Solution

The fourth proportional to 79,030.56, 108,974.16 and 58,899.36 is: 81,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,030.56 : 108,974.16 = 58,899.36 : x
  2. Step 2: Convert to fraction form
    79,030.56/108,974.16 = 58,899.36/x
  3. Step 3: Cross multiply
    79,030.56x = 108,974.16 × 58,899.36
  4. Step 4: Simplify right side
    79,030.56x = 6,418,508,280.54
  5. Step 5: Solve for x
    x = 6,418,508,280.54/79,030.56
  6. Step 6: Final answer
    x = 81,215.52

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