Home / 56,814.82-78,402.92-32,615.08

Finding the Fourth Proportional to 56,814.82, 78,402.92 and 32,615.08

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Solution

The fourth proportional to 56,814.82, 78,402.92 and 32,615.08 is: 45,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,814.82 : 78,402.92 = 32,615.08 : x
  2. Step 2: Convert to fraction form
    56,814.82/78,402.92 = 32,615.08/x
  3. Step 3: Cross multiply
    56,814.82x = 78,402.92 × 32,615.08
  4. Step 4: Simplify right side
    56,814.82x = 2,557,117,508.03
  5. Step 5: Solve for x
    x = 2,557,117,508.03/56,814.82
  6. Step 6: Final answer
    x = 45,007.93

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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.