Home / 124,826.15-172,260.09-68,237.52

Finding the Fourth Proportional to 124,826.15, 172,260.09 and 68,237.52

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Solution

The fourth proportional to 124,826.15, 172,260.09 and 68,237.52 is: 94,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,826.15 : 172,260.09 = 68,237.52 : x
  2. Step 2: Convert to fraction form
    124,826.15/172,260.09 = 68,237.52/x
  3. Step 3: Cross multiply
    124,826.15x = 172,260.09 × 68,237.52
  4. Step 4: Simplify right side
    124,826.15x = 11,754,601,336.58
  5. Step 5: Solve for x
    x = 11,754,601,336.58/124,826.15
  6. Step 6: Final answer
    x = 94,167.78

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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.