Home / 99,686.37-149,554.77-33,126.84

Finding the Fourth Proportional to 99,686.37, 149,554.77 and 33,126.84

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Solution

The fourth proportional to 99,686.37, 149,554.77 and 33,126.84 is: 49,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686.37 : 149,554.77 = 33,126.84 : x
  2. Step 2: Convert to fraction form
    99,686.37/149,554.77 = 33,126.84/x
  3. Step 3: Cross multiply
    99,686.37x = 149,554.77 × 33,126.84
  4. Step 4: Simplify right side
    99,686.37x = 4,954,276,937.03
  5. Step 5: Solve for x
    x = 4,954,276,937.03/99,686.37
  6. Step 6: Final answer
    x = 49,698.64

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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.