Home / 72,966.22-109,449.33-56,350.49

Finding the Fourth Proportional to 72,966.22, 109,449.33 and 56,350.49

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Solution

The fourth proportional to 72,966.22, 109,449.33 and 56,350.49 is: 84,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,966.22 : 109,449.33 = 56,350.49 : x
  2. Step 2: Convert to fraction form
    72,966.22/109,449.33 = 56,350.49/x
  3. Step 3: Cross multiply
    72,966.22x = 109,449.33 × 56,350.49
  4. Step 4: Simplify right side
    72,966.22x = 6,167,522,617.11
  5. Step 5: Solve for x
    x = 6,167,522,617.11/72,966.22
  6. Step 6: Final answer
    x = 84,525.73

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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.