Home / 73,214.82-109,828.71-20,624.76

Finding the Fourth Proportional to 73,214.82, 109,828.71 and 20,624.76

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Solution

The fourth proportional to 73,214.82, 109,828.71 and 20,624.76 is: 30,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,214.82 : 109,828.71 = 20,624.76 : x
  2. Step 2: Convert to fraction form
    73,214.82/109,828.71 = 20,624.76/x
  3. Step 3: Cross multiply
    73,214.82x = 109,828.71 × 20,624.76
  4. Step 4: Simplify right side
    73,214.82x = 2,265,190,784.86
  5. Step 5: Solve for x
    x = 2,265,190,784.86/73,214.82
  6. Step 6: Final answer
    x = 30,938.97

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1.5x scale

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.