Home / 112,470.34-168,705.51-45,941.86

Finding the Fourth Proportional to 112,470.34, 168,705.51 and 45,941.86

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Solution

The fourth proportional to 112,470.34, 168,705.51 and 45,941.86 is: 68,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,470.34 : 168,705.51 = 45,941.86 : x
  2. Step 2: Convert to fraction form
    112,470.34/168,705.51 = 45,941.86/x
  3. Step 3: Cross multiply
    112,470.34x = 168,705.51 × 45,941.86
  4. Step 4: Simplify right side
    112,470.34x = 7,750,644,921.65
  5. Step 5: Solve for x
    x = 7,750,644,921.65/112,470.34
  6. Step 6: Final answer
    x = 68,912.79

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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.