Home / 57,986.49-79,421.78-54,582.06

Finding the Fourth Proportional to 57,986.49, 79,421.78 and 54,582.06

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Solution

The fourth proportional to 57,986.49, 79,421.78 and 54,582.06 is: 74,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.49 : 79,421.78 = 54,582.06 : x
  2. Step 2: Convert to fraction form
    57,986.49/79,421.78 = 54,582.06/x
  3. Step 3: Cross multiply
    57,986.49x = 79,421.78 × 54,582.06
  4. Step 4: Simplify right side
    57,986.49x = 4,335,004,088.36
  5. Step 5: Solve for x
    x = 4,335,004,088.36/57,986.49
  6. Step 6: Final answer
    x = 74,758.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.