Home / 52,540.49-72,505.77-28,667.15

Finding the Fourth Proportional to 52,540.49, 72,505.77 and 28,667.15

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Solution

The fourth proportional to 52,540.49, 72,505.77 and 28,667.15 is: 39,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,540.49 : 72,505.77 = 28,667.15 : x
  2. Step 2: Convert to fraction form
    52,540.49/72,505.77 = 28,667.15/x
  3. Step 3: Cross multiply
    52,540.49x = 72,505.77 × 28,667.15
  4. Step 4: Simplify right side
    52,540.49x = 2,078,533,784.46
  5. Step 5: Solve for x
    x = 2,078,533,784.46/52,540.49
  6. Step 6: Final answer
    x = 39,560.61

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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.