Home / 55,140.67-82,719.21-25,561.49

Finding the Fourth Proportional to 55,140.67, 82,719.21 and 25,561.49

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Solution

The fourth proportional to 55,140.67, 82,719.21 and 25,561.49 is: 38,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140.67 : 82,719.21 = 25,561.49 : x
  2. Step 2: Convert to fraction form
    55,140.67/82,719.21 = 25,561.49/x
  3. Step 3: Cross multiply
    55,140.67x = 82,719.21 × 25,561.49
  4. Step 4: Simplify right side
    55,140.67x = 2,114,426,259.22
  5. Step 5: Solve for x
    x = 2,114,426,259.22/55,140.67
  6. Step 6: Final answer
    x = 38,346.04

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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.