Home / 77,051.12-115,594.42-32,679.60

Finding the Fourth Proportional to 77,051.12, 115,594.42 and 32,679.60

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Solution

The fourth proportional to 77,051.12, 115,594.42 and 32,679.60 is: 49,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,051.12 : 115,594.42 = 32,679.60 : x
  2. Step 2: Convert to fraction form
    77,051.12/115,594.42 = 32,679.60/x
  3. Step 3: Cross multiply
    77,051.12x = 115,594.42 × 32,679.60
  4. Step 4: Simplify right side
    77,051.12x = 3,777,579,407.83
  5. Step 5: Solve for x
    x = 3,777,579,407.83/77,051.12
  6. Step 6: Final answer
    x = 49,026.92

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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.