Home / 124,930.81-172,403.97-67,570.19

Finding the Fourth Proportional to 124,930.81, 172,403.97 and 67,570.19

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Solution

The fourth proportional to 124,930.81, 172,403.97 and 67,570.19 is: 93,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930.81 : 172,403.97 = 67,570.19 : x
  2. Step 2: Convert to fraction form
    124,930.81/172,403.97 = 67,570.19/x
  3. Step 3: Cross multiply
    124,930.81x = 172,403.97 × 67,570.19
  4. Step 4: Simplify right side
    124,930.81x = 11,649,368,147.63
  5. Step 5: Solve for x
    x = 11,649,368,147.63/124,930.81
  6. Step 6: Final answer
    x = 93,246.56

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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.