Home / 104,983.52-144,875.28-57,237.24

Finding the Fourth Proportional to 104,983.52, 144,875.28 and 57,237.24

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Solution

The fourth proportional to 104,983.52, 144,875.28 and 57,237.24 is: 78,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,983.52 : 144,875.28 = 57,237.24 : x
  2. Step 2: Convert to fraction form
    104,983.52/144,875.28 = 57,237.24/x
  3. Step 3: Cross multiply
    104,983.52x = 144,875.28 × 57,237.24
  4. Step 4: Simplify right side
    104,983.52x = 8,292,261,171.43
  5. Step 5: Solve for x
    x = 8,292,261,171.43/104,983.52
  6. Step 6: Final answer
    x = 78,986.31

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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.