Home / 89,940.59-124,134.26-53,644.37

Finding the Fourth Proportional to 89,940.59, 124,134.26 and 53,644.37

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Solution

The fourth proportional to 89,940.59, 124,134.26 and 53,644.37 is: 74,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,940.59 : 124,134.26 = 53,644.37 : x
  2. Step 2: Convert to fraction form
    89,940.59/124,134.26 = 53,644.37/x
  3. Step 3: Cross multiply
    89,940.59x = 124,134.26 × 53,644.37
  4. Step 4: Simplify right side
    89,940.59x = 6,659,104,173.12
  5. Step 5: Solve for x
    x = 6,659,104,173.12/89,940.59
  6. Step 6: Final answer
    x = 74,038.92

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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.