Home / 72,846.22-109,242.96-25,448.08

Finding the Fourth Proportional to 72,846.22, 109,242.96 and 25,448.08

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Solution

The fourth proportional to 72,846.22, 109,242.96 and 25,448.08 is: 38,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,846.22 : 109,242.96 = 25,448.08 : x
  2. Step 2: Convert to fraction form
    72,846.22/109,242.96 = 25,448.08/x
  3. Step 3: Cross multiply
    72,846.22x = 109,242.96 × 25,448.08
  4. Step 4: Simplify right side
    72,846.22x = 2,780,023,585.52
  5. Step 5: Solve for x
    x = 2,780,023,585.52/72,846.22
  6. Step 6: Final answer
    x = 38,162.91

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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.