Home / 112,512.87-168,852.33-53,348.76

Finding the Fourth Proportional to 112,512.87, 168,852.33 and 53,348.76

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Solution

The fourth proportional to 112,512.87, 168,852.33 and 53,348.76 is: 80,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512.87 : 168,852.33 = 53,348.76 : x
  2. Step 2: Convert to fraction form
    112,512.87/168,852.33 = 53,348.76/x
  3. Step 3: Cross multiply
    112,512.87x = 168,852.33 × 53,348.76
  4. Step 4: Simplify right side
    112,512.87x = 9,008,062,428.61
  5. Step 5: Solve for x
    x = 9,008,062,428.61/112,512.87
  6. Step 6: Final answer
    x = 80,062.51

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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.