Home / 52,905.52-73,011.90-31,680.73

Finding the Fourth Proportional to 52,905.52, 73,011.90 and 31,680.73

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Solution

The fourth proportional to 52,905.52, 73,011.90 and 31,680.73 is: 43,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,905.52 : 73,011.90 = 31,680.73 : x
  2. Step 2: Convert to fraction form
    52,905.52/73,011.90 = 31,680.73/x
  3. Step 3: Cross multiply
    52,905.52x = 73,011.90 × 31,680.73
  4. Step 4: Simplify right side
    52,905.52x = 2,313,070,290.69
  5. Step 5: Solve for x
    x = 2,313,070,290.69/52,905.52
  6. Step 6: Final answer
    x = 43,720.77

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1.5x scale

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.