Home / 48,124.20-72,167.16-18,525.60

Finding the Fourth Proportional to 48,124.20, 72,167.16 and 18,525.60

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Solution

The fourth proportional to 48,124.20, 72,167.16 and 18,525.60 is: 27,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,124.20 : 72,167.16 = 18,525.60 : x
  2. Step 2: Convert to fraction form
    48,124.20/72,167.16 = 18,525.60/x
  3. Step 3: Cross multiply
    48,124.20x = 72,167.16 × 18,525.60
  4. Step 4: Simplify right side
    48,124.20x = 1,336,939,939.30
  5. Step 5: Solve for x
    x = 1,336,939,939.30/48,124.20
  6. Step 6: Final answer
    x = 27,781.03

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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.