Home / 112,947.28-169,435.62-34,069.48

Finding the Fourth Proportional to 112,947.28, 169,435.62 and 34,069.48

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Solution

The fourth proportional to 112,947.28, 169,435.62 and 34,069.48 is: 51,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.28 : 169,435.62 = 34,069.48 : x
  2. Step 2: Convert to fraction form
    112,947.28/169,435.62 = 34,069.48/x
  3. Step 3: Cross multiply
    112,947.28x = 169,435.62 × 34,069.48
  4. Step 4: Simplify right side
    112,947.28x = 5,772,583,466.88
  5. Step 5: Solve for x
    x = 5,772,583,466.88/112,947.28
  6. Step 6: Final answer
    x = 51,108.65

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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.