Home / 55,121.84-76,069.68-33,889.04

Finding the Fourth Proportional to 55,121.84, 76,069.68 and 33,889.04

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Solution

The fourth proportional to 55,121.84, 76,069.68 and 33,889.04 is: 46,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,121.84 : 76,069.68 = 33,889.04 : x
  2. Step 2: Convert to fraction form
    55,121.84/76,069.68 = 33,889.04/x
  3. Step 3: Cross multiply
    55,121.84x = 76,069.68 × 33,889.04
  4. Step 4: Simplify right side
    55,121.84x = 2,577,928,428.31
  5. Step 5: Solve for x
    x = 2,577,928,428.31/55,121.84
  6. Step 6: Final answer
    x = 46,767.82

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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.