Home / 56,771.93-78,345.29-32,912.44

Finding the Fourth Proportional to 56,771.93, 78,345.29 and 32,912.44

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Solution

The fourth proportional to 56,771.93, 78,345.29 and 32,912.44 is: 45,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.93 : 78,345.29 = 32,912.44 : x
  2. Step 2: Convert to fraction form
    56,771.93/78,345.29 = 32,912.44/x
  3. Step 3: Cross multiply
    56,771.93x = 78,345.29 × 32,912.44
  4. Step 4: Simplify right side
    56,771.93x = 2,578,534,100.12
  5. Step 5: Solve for x
    x = 2,578,534,100.12/56,771.93
  6. Step 6: Final answer
    x = 45,419.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.