Home / 99,890.97-149,786.29-33,307.53

Finding the Fourth Proportional to 99,890.97, 149,786.29 and 33,307.53

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Solution

The fourth proportional to 99,890.97, 149,786.29 and 33,307.53 is: 49,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,890.97 : 149,786.29 = 33,307.53 : x
  2. Step 2: Convert to fraction form
    99,890.97/149,786.29 = 33,307.53/x
  3. Step 3: Cross multiply
    99,890.97x = 149,786.29 × 33,307.53
  4. Step 4: Simplify right side
    99,890.97x = 4,989,011,347.76
  5. Step 5: Solve for x
    x = 4,989,011,347.76/99,890.97
  6. Step 6: Final answer
    x = 49,944.57

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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.