Home / 52,540.47-72,506.07-28,667.64

Finding the Fourth Proportional to 52,540.47, 72,506.07 and 28,667.64

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Solution

The fourth proportional to 52,540.47, 72,506.07 and 28,667.64 is: 39,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,540.47 : 72,506.07 = 28,667.64 : x
  2. Step 2: Convert to fraction form
    52,540.47/72,506.07 = 28,667.64/x
  3. Step 3: Cross multiply
    52,540.47x = 72,506.07 × 28,667.64
  4. Step 4: Simplify right side
    52,540.47x = 2,078,577,912.57
  5. Step 5: Solve for x
    x = 2,078,577,912.57/52,540.47
  6. Step 6: Final answer
    x = 39,561.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.