Home / 42,163.31-63,237.79-14,080.18

Finding the Fourth Proportional to 42,163.31, 63,237.79 and 14,080.18

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Solution

The fourth proportional to 42,163.31, 63,237.79 and 14,080.18 is: 21,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,163.31 : 63,237.79 = 14,080.18 : x
  2. Step 2: Convert to fraction form
    42,163.31/63,237.79 = 14,080.18/x
  3. Step 3: Cross multiply
    42,163.31x = 63,237.79 × 14,080.18
  4. Step 4: Simplify right side
    42,163.31x = 890,399,404.48
  5. Step 5: Solve for x
    x = 890,399,404.48/42,163.31
  6. Step 6: Final answer
    x = 21,117.87

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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.