Home / 112,701.49-155,517.28-67,370.47

Finding the Fourth Proportional to 112,701.49, 155,517.28 and 67,370.47

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Solution

The fourth proportional to 112,701.49, 155,517.28 and 67,370.47 is: 92,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.49 : 155,517.28 = 67,370.47 : x
  2. Step 2: Convert to fraction form
    112,701.49/155,517.28 = 67,370.47/x
  3. Step 3: Cross multiply
    112,701.49x = 155,517.28 × 67,370.47
  4. Step 4: Simplify right side
    112,701.49x = 10,477,272,246.72
  5. Step 5: Solve for x
    x = 10,477,272,246.72/112,701.49
  6. Step 6: Final answer
    x = 92,964.81

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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.