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Finding the Fourth Proportional to 92,735.56, 127,975.44 and 50,294.80

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Solution

The fourth proportional to 92,735.56, 127,975.44 and 50,294.80 is: 69,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,735.56 : 127,975.44 = 50,294.80 : x
  2. Step 2: Convert to fraction form
    92,735.56/127,975.44 = 50,294.80/x
  3. Step 3: Cross multiply
    92,735.56x = 127,975.44 × 50,294.80
  4. Step 4: Simplify right side
    92,735.56x = 6,436,499,159.71
  5. Step 5: Solve for x
    x = 6,436,499,159.71/92,735.56
  6. Step 6: Final answer
    x = 69,407.02

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1.5x scale

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.