Home / 112,947.96-169,427.63-28,708.95

Finding the Fourth Proportional to 112,947.96, 169,427.63 and 28,708.95

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Solution

The fourth proportional to 112,947.96, 169,427.63 and 28,708.95 is: 43,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.96 : 169,427.63 = 28,708.95 : x
  2. Step 2: Convert to fraction form
    112,947.96/169,427.63 = 28,708.95/x
  3. Step 3: Cross multiply
    112,947.96x = 169,427.63 × 28,708.95
  4. Step 4: Simplify right side
    112,947.96x = 4,864,089,358.29
  5. Step 5: Solve for x
    x = 4,864,089,358.29/112,947.96
  6. Step 6: Final answer
    x = 43,064.87

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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.