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Finding the Fourth Proportional to 56,058.01, 84,103.42 and 18,106.42

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Solution

The fourth proportional to 56,058.01, 84,103.42 and 18,106.42 is: 27,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,058.01 : 84,103.42 = 18,106.42 : x
  2. Step 2: Convert to fraction form
    56,058.01/84,103.42 = 18,106.42/x
  3. Step 3: Cross multiply
    56,058.01x = 84,103.42 × 18,106.42
  4. Step 4: Simplify right side
    56,058.01x = 1,522,811,845.96
  5. Step 5: Solve for x
    x = 1,522,811,845.96/56,058.01
  6. Step 6: Final answer
    x = 27,164.93

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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.