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Finding the Fourth Proportional to 92,492.88, 127,640.28 and 50,051.41

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Solution

The fourth proportional to 92,492.88, 127,640.28 and 50,051.41 is: 69,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,492.88 : 127,640.28 = 50,051.41 : x
  2. Step 2: Convert to fraction form
    92,492.88/127,640.28 = 50,051.41/x
  3. Step 3: Cross multiply
    92,492.88x = 127,640.28 × 50,051.41
  4. Step 4: Simplify right side
    92,492.88x = 6,388,575,986.79
  5. Step 5: Solve for x
    x = 6,388,575,986.79/92,492.88
  6. Step 6: Final answer
    x = 69,071.00

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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.