Home / 55,382.94-76,428.49-34,174.51

Finding the Fourth Proportional to 55,382.94, 76,428.49 and 34,174.51

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Solution

The fourth proportional to 55,382.94, 76,428.49 and 34,174.51 is: 47,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,382.94 : 76,428.49 = 34,174.51 : x
  2. Step 2: Convert to fraction form
    55,382.94/76,428.49 = 34,174.51/x
  3. Step 3: Cross multiply
    55,382.94x = 76,428.49 × 34,174.51
  4. Step 4: Simplify right side
    55,382.94x = 2,611,906,195.79
  5. Step 5: Solve for x
    x = 2,611,906,195.79/55,382.94
  6. Step 6: Final answer
    x = 47,160.84

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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.