Home / 70,020.20-96,624.36-39,801.56

Finding the Fourth Proportional to 70,020.20, 96,624.36 and 39,801.56

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Solution

The fourth proportional to 70,020.20, 96,624.36 and 39,801.56 is: 54,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,020.20 : 96,624.36 = 39,801.56 : x
  2. Step 2: Convert to fraction form
    70,020.20/96,624.36 = 39,801.56/x
  3. Step 3: Cross multiply
    70,020.20x = 96,624.36 × 39,801.56
  4. Step 4: Simplify right side
    70,020.20x = 3,845,800,262.00
  5. Step 5: Solve for x
    x = 3,845,800,262.00/70,020.20
  6. Step 6: Final answer
    x = 54,924.15

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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.