Home / 109,256.31-150,776.54-61,511.37

Finding the Fourth Proportional to 109,256.31, 150,776.54 and 61,511.37

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Solution

The fourth proportional to 109,256.31, 150,776.54 and 61,511.37 is: 84,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256.31 : 150,776.54 = 61,511.37 : x
  2. Step 2: Convert to fraction form
    109,256.31/150,776.54 = 61,511.37/x
  3. Step 3: Cross multiply
    109,256.31x = 150,776.54 × 61,511.37
  4. Step 4: Simplify right side
    109,256.31x = 9,274,471,231.70
  5. Step 5: Solve for x
    x = 9,274,471,231.70/109,256.31
  6. Step 6: Final answer
    x = 84,887.28

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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.