Home / 104,021.40-143,566.70-63,757.56

Finding the Fourth Proportional to 104,021.40, 143,566.70 and 63,757.56

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Solution

The fourth proportional to 104,021.40, 143,566.70 and 63,757.56 is: 87,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,021.40 : 143,566.70 = 63,757.56 : x
  2. Step 2: Convert to fraction form
    104,021.40/143,566.70 = 63,757.56/x
  3. Step 3: Cross multiply
    104,021.40x = 143,566.70 × 63,757.56
  4. Step 4: Simplify right side
    104,021.40x = 9,153,462,489.25
  5. Step 5: Solve for x
    x = 9,153,462,489.25/104,021.40
  6. Step 6: Final answer
    x = 87,995.96

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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.