Home / 103,338.88-142,606.44-58,015.73

Finding the Fourth Proportional to 103,338.88, 142,606.44 and 58,015.73

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Solution

The fourth proportional to 103,338.88, 142,606.44 and 58,015.73 is: 80,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,338.88 : 142,606.44 = 58,015.73 : x
  2. Step 2: Convert to fraction form
    103,338.88/142,606.44 = 58,015.73/x
  3. Step 3: Cross multiply
    103,338.88x = 142,606.44 × 58,015.73
  4. Step 4: Simplify right side
    103,338.88x = 8,273,416,719.30
  5. Step 5: Solve for x
    x = 8,273,416,719.30/103,338.88
  6. Step 6: Final answer
    x = 80,061.03

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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.