Home / 97,926.19-135,138.31-55,487.59

Finding the Fourth Proportional to 97,926.19, 135,138.31 and 55,487.59

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Solution

The fourth proportional to 97,926.19, 135,138.31 and 55,487.59 is: 76,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,926.19 : 135,138.31 = 55,487.59 : x
  2. Step 2: Convert to fraction form
    97,926.19/135,138.31 = 55,487.59/x
  3. Step 3: Cross multiply
    97,926.19x = 135,138.31 × 55,487.59
  4. Step 4: Simplify right side
    97,926.19x = 7,498,498,662.01
  5. Step 5: Solve for x
    x = 7,498,498,662.01/97,926.19
  6. Step 6: Final answer
    x = 76,572.97

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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.