Home / 97,873.80-135,059.37-57,579.75

Finding the Fourth Proportional to 97,873.80, 135,059.37 and 57,579.75

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Solution

The fourth proportional to 97,873.80, 135,059.37 and 57,579.75 is: 79,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,873.80 : 135,059.37 = 57,579.75 : x
  2. Step 2: Convert to fraction form
    97,873.80/135,059.37 = 57,579.75/x
  3. Step 3: Cross multiply
    97,873.80x = 135,059.37 × 57,579.75
  4. Step 4: Simplify right side
    97,873.80x = 7,776,684,759.76
  5. Step 5: Solve for x
    x = 7,776,684,759.76/97,873.80
  6. Step 6: Final answer
    x = 79,456.25

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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.