Home / 112,945.41-155,869.26-67,614.37

Finding the Fourth Proportional to 112,945.41, 155,869.26 and 67,614.37

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Solution

The fourth proportional to 112,945.41, 155,869.26 and 67,614.37 is: 93,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.41 : 155,869.26 = 67,614.37 : x
  2. Step 2: Convert to fraction form
    112,945.41/155,869.26 = 67,614.37/x
  3. Step 3: Cross multiply
    112,945.41x = 155,869.26 × 67,614.37
  4. Step 4: Simplify right side
    112,945.41x = 10,539,001,817.27
  5. Step 5: Solve for x
    x = 10,539,001,817.27/112,945.41
  6. Step 6: Final answer
    x = 93,310.58

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1.5x scale

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.