Home / 124,930.45-172,403.48-67,569.83

Finding the Fourth Proportional to 124,930.45, 172,403.48 and 67,569.83

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Solution

The fourth proportional to 124,930.45, 172,403.48 and 67,569.83 is: 93,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930.45 : 172,403.48 = 67,569.83 : x
  2. Step 2: Convert to fraction form
    124,930.45/172,403.48 = 67,569.83/x
  3. Step 3: Cross multiply
    124,930.45x = 172,403.48 × 67,569.83
  4. Step 4: Simplify right side
    124,930.45x = 11,649,273,835.01
  5. Step 5: Solve for x
    x = 11,649,273,835.01/124,930.45
  6. Step 6: Final answer
    x = 93,246.07

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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.