Home / 99,965.76-149,945.28-26,093.76

Finding the Fourth Proportional to 99,965.76, 149,945.28 and 26,093.76

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Solution

The fourth proportional to 99,965.76, 149,945.28 and 26,093.76 is: 39,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,965.76 : 149,945.28 = 26,093.76 : x
  2. Step 2: Convert to fraction form
    99,965.76/149,945.28 = 26,093.76/x
  3. Step 3: Cross multiply
    99,965.76x = 149,945.28 × 26,093.76
  4. Step 4: Simplify right side
    99,965.76x = 3,912,636,149.45
  5. Step 5: Solve for x
    x = 3,912,636,149.45/99,965.76
  6. Step 6: Final answer
    x = 39,139.76

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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.