Home / 54,658.94-75,450.50-42,726.12

Finding the Fourth Proportional to 54,658.94, 75,450.50 and 42,726.12

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Solution

The fourth proportional to 54,658.94, 75,450.50 and 42,726.12 is: 58,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.94 : 75,450.50 = 42,726.12 : x
  2. Step 2: Convert to fraction form
    54,658.94/75,450.50 = 42,726.12/x
  3. Step 3: Cross multiply
    54,658.94x = 75,450.50 × 42,726.12
  4. Step 4: Simplify right side
    54,658.94x = 3,223,706,903.43
  5. Step 5: Solve for x
    x = 3,223,706,903.43/54,658.94
  6. Step 6: Final answer
    x = 58,978.58

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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.