Home / 103,997.28-143,516.24-58,684.84

Finding the Fourth Proportional to 103,997.28, 143,516.24 and 58,684.84

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Solution

The fourth proportional to 103,997.28, 143,516.24 and 58,684.84 is: 80,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,997.28 : 143,516.24 = 58,684.84 : x
  2. Step 2: Convert to fraction form
    103,997.28/143,516.24 = 58,684.84/x
  3. Step 3: Cross multiply
    103,997.28x = 143,516.24 × 58,684.84
  4. Step 4: Simplify right side
    103,997.28x = 8,422,227,581.80
  5. Step 5: Solve for x
    x = 8,422,227,581.80/103,997.28
  6. Step 6: Final answer
    x = 80,985.08

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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.