Home / 104,021.52-143,569.12-59,309.52

Finding the Fourth Proportional to 104,021.52, 143,569.12 and 59,309.52

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Solution

The fourth proportional to 104,021.52, 143,569.12 and 59,309.52 is: 81,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,021.52 : 143,569.12 = 59,309.52 : x
  2. Step 2: Convert to fraction form
    104,021.52/143,569.12 = 59,309.52/x
  3. Step 3: Cross multiply
    104,021.52x = 143,569.12 × 59,309.52
  4. Step 4: Simplify right side
    104,021.52x = 8,515,015,594.02
  5. Step 5: Solve for x
    x = 8,515,015,594.02/104,021.52
  6. Step 6: Final answer
    x = 81,858.21

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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.