Home / 112,079.12-168,143.28-33,199.50

Finding the Fourth Proportional to 112,079.12, 168,143.28 and 33,199.50

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Solution

The fourth proportional to 112,079.12, 168,143.28 and 33,199.50 is: 49,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,079.12 : 168,143.28 = 33,199.50 : x
  2. Step 2: Convert to fraction form
    112,079.12/168,143.28 = 33,199.50/x
  3. Step 3: Cross multiply
    112,079.12x = 168,143.28 × 33,199.50
  4. Step 4: Simplify right side
    112,079.12x = 5,582,272,824.36
  5. Step 5: Solve for x
    x = 5,582,272,824.36/112,079.12
  6. Step 6: Final answer
    x = 49,806.54

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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.