Home / 112,968.56-155,900.76-68,247.92

Finding the Fourth Proportional to 112,968.56, 155,900.76 and 68,247.92

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Solution

The fourth proportional to 112,968.56, 155,900.76 and 68,247.92 is: 94,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,968.56 : 155,900.76 = 68,247.92 : x
  2. Step 2: Convert to fraction form
    112,968.56/155,900.76 = 68,247.92/x
  3. Step 3: Cross multiply
    112,968.56x = 155,900.76 × 68,247.92
  4. Step 4: Simplify right side
    112,968.56x = 10,639,902,596.42
  5. Step 5: Solve for x
    x = 10,639,902,596.42/112,968.56
  6. Step 6: Final answer
    x = 94,184.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.