Home / 45,616.26-68,446.05-31,597.86

Finding the Fourth Proportional to 45,616.26, 68,446.05 and 31,597.86

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Solution

The fourth proportional to 45,616.26, 68,446.05 and 31,597.86 is: 47,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,616.26 : 68,446.05 = 31,597.86 : x
  2. Step 2: Convert to fraction form
    45,616.26/68,446.05 = 31,597.86/x
  3. Step 3: Cross multiply
    45,616.26x = 68,446.05 × 31,597.86
  4. Step 4: Simplify right side
    45,616.26x = 2,162,748,705.45
  5. Step 5: Solve for x
    x = 2,162,748,705.45/45,616.26
  6. Step 6: Final answer
    x = 47,411.79

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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.