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Finding the Fourth Proportional to 55,892.88, 77,128.74 and 32,014.08

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Solution

The fourth proportional to 55,892.88, 77,128.74 and 32,014.08 is: 44,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,892.88 : 77,128.74 = 32,014.08 : x
  2. Step 2: Convert to fraction form
    55,892.88/77,128.74 = 32,014.08/x
  3. Step 3: Cross multiply
    55,892.88x = 77,128.74 × 32,014.08
  4. Step 4: Simplify right side
    55,892.88x = 2,469,205,652.66
  5. Step 5: Solve for x
    x = 2,469,205,652.66/55,892.88
  6. Step 6: Final answer
    x = 44,177.46

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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.