Home / 121,664.52-182,491.28-41,709.60

Finding the Fourth Proportional to 121,664.52, 182,491.28 and 41,709.60

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Solution

The fourth proportional to 121,664.52, 182,491.28 and 41,709.60 is: 62,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,664.52 : 182,491.28 = 41,709.60 : x
  2. Step 2: Convert to fraction form
    121,664.52/182,491.28 = 41,709.60/x
  3. Step 3: Cross multiply
    121,664.52x = 182,491.28 × 41,709.60
  4. Step 4: Simplify right side
    121,664.52x = 7,611,638,292.29
  5. Step 5: Solve for x
    x = 7,611,638,292.29/121,664.52
  6. Step 6: Final answer
    x = 62,562.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.