Home / 53,277.21-79,931.60-17,743.11

Finding the Fourth Proportional to 53,277.21, 79,931.60 and 17,743.11

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Solution

The fourth proportional to 53,277.21, 79,931.60 and 17,743.11 is: 26,619.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.21 : 79,931.60 = 17,743.11 : x
  2. Step 2: Convert to fraction form
    53,277.21/79,931.60 = 17,743.11/x
  3. Step 3: Cross multiply
    53,277.21x = 79,931.60 × 17,743.11
  4. Step 4: Simplify right side
    53,277.21x = 1,418,235,171.28
  5. Step 5: Solve for x
    x = 1,418,235,171.28/53,277.21
  6. Step 6: Final answer
    x = 26,619.92

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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.