Home / 112,947.03-169,419.57-28,707.43

Finding the Fourth Proportional to 112,947.03, 169,419.57 and 28,707.43

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Solution

The fourth proportional to 112,947.03, 169,419.57 and 28,707.43 is: 43,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.03 : 169,419.57 = 28,707.43 : x
  2. Step 2: Convert to fraction form
    112,947.03/169,419.57 = 28,707.43/x
  3. Step 3: Cross multiply
    112,947.03x = 169,419.57 × 28,707.43
  4. Step 4: Simplify right side
    112,947.03x = 4,863,600,446.41
  5. Step 5: Solve for x
    x = 4,863,600,446.41/112,947.03
  6. Step 6: Final answer
    x = 43,060.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.