Home / 57,719.63-86,516.39-36,669.08

Finding the Fourth Proportional to 57,719.63, 86,516.39 and 36,669.08

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Solution

The fourth proportional to 57,719.63, 86,516.39 and 36,669.08 is: 54,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.63 : 86,516.39 = 36,669.08 : x
  2. Step 2: Convert to fraction form
    57,719.63/86,516.39 = 36,669.08/x
  3. Step 3: Cross multiply
    57,719.63x = 86,516.39 × 36,669.08
  4. Step 4: Simplify right side
    57,719.63x = 3,172,476,085.31
  5. Step 5: Solve for x
    x = 3,172,476,085.31/57,719.63
  6. Step 6: Final answer
    x = 54,963.56

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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.