Home / 56,092.56-84,138.08-13,972.96

Finding the Fourth Proportional to 56,092.56, 84,138.08 and 13,972.96

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Solution

The fourth proportional to 56,092.56, 84,138.08 and 13,972.96 is: 20,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,092.56 : 84,138.08 = 13,972.96 : x
  2. Step 2: Convert to fraction form
    56,092.56/84,138.08 = 13,972.96/x
  3. Step 3: Cross multiply
    56,092.56x = 84,138.08 × 13,972.96
  4. Step 4: Simplify right side
    56,092.56x = 1,175,658,026.32
  5. Step 5: Solve for x
    x = 1,175,658,026.32/56,092.56
  6. Step 6: Final answer
    x = 20,959.25

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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.