Home / 112,313.34-168,470.60-45,754.16

Finding the Fourth Proportional to 112,313.34, 168,470.60 and 45,754.16

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Solution

The fourth proportional to 112,313.34, 168,470.60 and 45,754.16 is: 68,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.34 : 168,470.60 = 45,754.16 : x
  2. Step 2: Convert to fraction form
    112,313.34/168,470.60 = 45,754.16/x
  3. Step 3: Cross multiply
    112,313.34x = 168,470.60 × 45,754.16
  4. Step 4: Simplify right side
    112,313.34x = 7,708,229,716.57
  5. Step 5: Solve for x
    x = 7,708,229,716.57/112,313.34
  6. Step 6: Final answer
    x = 68,631.47

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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.