Home / 53,719.71-80,581.13-25,642.71

Finding the Fourth Proportional to 53,719.71, 80,581.13 and 25,642.71

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Solution

The fourth proportional to 53,719.71, 80,581.13 and 25,642.71 is: 38,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.71 : 80,581.13 = 25,642.71 : x
  2. Step 2: Convert to fraction form
    53,719.71/80,581.13 = 25,642.71/x
  3. Step 3: Cross multiply
    53,719.71x = 80,581.13 × 25,642.71
  4. Step 4: Simplify right side
    53,719.71x = 2,066,318,516.01
  5. Step 5: Solve for x
    x = 2,066,318,516.01/53,719.71
  6. Step 6: Final answer
    x = 38,464.81

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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.