Home / 112,786.92-155,645.99-67,466.81

Finding the Fourth Proportional to 112,786.92, 155,645.99 and 67,466.81

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Solution

The fourth proportional to 112,786.92, 155,645.99 and 67,466.81 is: 93,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,786.92 : 155,645.99 = 67,466.81 : x
  2. Step 2: Convert to fraction form
    112,786.92/155,645.99 = 67,466.81/x
  3. Step 3: Cross multiply
    112,786.92x = 155,645.99 × 67,466.81
  4. Step 4: Simplify right side
    112,786.92x = 10,500,938,904.71
  5. Step 5: Solve for x
    x = 10,500,938,904.71/112,786.92
  6. Step 6: Final answer
    x = 93,104.22

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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.