Home / 104,361.48-143,971.02-61,904.52

Finding the Fourth Proportional to 104,361.48, 143,971.02 and 61,904.52

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Solution

The fourth proportional to 104,361.48, 143,971.02 and 61,904.52 is: 85,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,361.48 : 143,971.02 = 61,904.52 : x
  2. Step 2: Convert to fraction form
    104,361.48/143,971.02 = 61,904.52/x
  3. Step 3: Cross multiply
    104,361.48x = 143,971.02 × 61,904.52
  4. Step 4: Simplify right side
    104,361.48x = 8,912,456,887.01
  5. Step 5: Solve for x
    x = 8,912,456,887.01/104,361.48
  6. Step 6: Final answer
    x = 85,399.87

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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.