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Finding the Fourth Proportional to 92,638.58, 127,824.39 and 51,803.46

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Solution

The fourth proportional to 92,638.58, 127,824.39 and 51,803.46 is: 71,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,638.58 : 127,824.39 = 51,803.46 : x
  2. Step 2: Convert to fraction form
    92,638.58/127,824.39 = 51,803.46/x
  3. Step 3: Cross multiply
    92,638.58x = 127,824.39 × 51,803.46
  4. Step 4: Simplify right side
    92,638.58x = 6,621,745,674.39
  5. Step 5: Solve for x
    x = 6,621,745,674.39/92,638.58
  6. Step 6: Final answer
    x = 71,479.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.