Home / 56,514.36-84,712.08-19,061.30

Finding the Fourth Proportional to 56,514.36, 84,712.08 and 19,061.30

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Solution

The fourth proportional to 56,514.36, 84,712.08 and 19,061.30 is: 28,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,514.36 : 84,712.08 = 19,061.30 : x
  2. Step 2: Convert to fraction form
    56,514.36/84,712.08 = 19,061.30/x
  3. Step 3: Cross multiply
    56,514.36x = 84,712.08 × 19,061.30
  4. Step 4: Simplify right side
    56,514.36x = 1,614,722,308.29
  5. Step 5: Solve for x
    x = 1,614,722,308.29/56,514.36
  6. Step 6: Final answer
    x = 28,571.90

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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.