Home / 54,125.81-74,692.33-30,254.71

Finding the Fourth Proportional to 54,125.81, 74,692.33 and 30,254.71

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Solution

The fourth proportional to 54,125.81, 74,692.33 and 30,254.71 is: 41,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,125.81 : 74,692.33 = 30,254.71 : x
  2. Step 2: Convert to fraction form
    54,125.81/74,692.33 = 30,254.71/x
  3. Step 3: Cross multiply
    54,125.81x = 74,692.33 × 30,254.71
  4. Step 4: Simplify right side
    54,125.81x = 2,259,794,521.01
  5. Step 5: Solve for x
    x = 2,259,794,521.01/54,125.81
  6. Step 6: Final answer
    x = 41,750.77

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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.