Home / 97,888.05-135,053.37-54,861.25

Finding the Fourth Proportional to 97,888.05, 135,053.37 and 54,861.25

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Solution

The fourth proportional to 97,888.05, 135,053.37 and 54,861.25 is: 75,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,888.05 : 135,053.37 = 54,861.25 : x
  2. Step 2: Convert to fraction form
    97,888.05/135,053.37 = 54,861.25/x
  3. Step 3: Cross multiply
    97,888.05x = 135,053.37 × 54,861.25
  4. Step 4: Simplify right side
    97,888.05x = 7,409,196,694.91
  5. Step 5: Solve for x
    x = 7,409,196,694.91/97,888.05
  6. Step 6: Final answer
    x = 75,690.51

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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.