Home / 104,938.21-157,453.68-55,006.36

Finding the Fourth Proportional to 104,938.21, 157,453.68 and 55,006.36

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Solution

The fourth proportional to 104,938.21, 157,453.68 and 55,006.36 is: 82,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.21 : 157,453.68 = 55,006.36 : x
  2. Step 2: Convert to fraction form
    104,938.21/157,453.68 = 55,006.36/x
  3. Step 3: Cross multiply
    104,938.21x = 157,453.68 × 55,006.36
  4. Step 4: Simplify right side
    104,938.21x = 8,660,953,805.40
  5. Step 5: Solve for x
    x = 8,660,953,805.40/104,938.21
  6. Step 6: Final answer
    x = 82,533.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.