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Finding the Fourth Proportional to 56,952.42, 84,843.93 and 54,393.66

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Solution

The fourth proportional to 56,952.42, 84,843.93 and 54,393.66 is: 81,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,952.42 : 84,843.93 = 54,393.66 : x
  2. Step 2: Convert to fraction form
    56,952.42/84,843.93 = 54,393.66/x
  3. Step 3: Cross multiply
    56,952.42x = 84,843.93 × 54,393.66
  4. Step 4: Simplify right side
    56,952.42x = 4,614,971,881.48
  5. Step 5: Solve for x
    x = 4,614,971,881.48/56,952.42
  6. Step 6: Final answer
    x = 81,032.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.