Home / 72,842.22-109,236.96-25,444.08

Finding the Fourth Proportional to 72,842.22, 109,236.96 and 25,444.08

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Solution

The fourth proportional to 72,842.22, 109,236.96 and 25,444.08 is: 38,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,842.22 : 109,236.96 = 25,444.08 : x
  2. Step 2: Convert to fraction form
    72,842.22/109,236.96 = 25,444.08/x
  3. Step 3: Cross multiply
    72,842.22x = 109,236.96 × 25,444.08
  4. Step 4: Simplify right side
    72,842.22x = 2,779,433,949.20
  5. Step 5: Solve for x
    x = 2,779,433,949.20/72,842.22
  6. Step 6: Final answer
    x = 38,156.91

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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.