Home / 48,418.20-72,627.30-34,421.40

Finding the Fourth Proportional to 48,418.20, 72,627.30 and 34,421.40

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Solution

The fourth proportional to 48,418.20, 72,627.30 and 34,421.40 is: 51,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,418.20 : 72,627.30 = 34,421.40 : x
  2. Step 2: Convert to fraction form
    48,418.20/72,627.30 = 34,421.40/x
  3. Step 3: Cross multiply
    48,418.20x = 72,627.30 × 34,421.40
  4. Step 4: Simplify right side
    48,418.20x = 2,499,933,344.22
  5. Step 5: Solve for x
    x = 2,499,933,344.22/48,418.20
  6. Step 6: Final answer
    x = 51,632.10

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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.