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Finding the Fourth Proportional to 92,679.37, 127,903.05 and 52,396.88

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Solution

The fourth proportional to 92,679.37, 127,903.05 and 52,396.88 is: 72,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,679.37 : 127,903.05 = 52,396.88 : x
  2. Step 2: Convert to fraction form
    92,679.37/127,903.05 = 52,396.88/x
  3. Step 3: Cross multiply
    92,679.37x = 127,903.05 × 52,396.88
  4. Step 4: Simplify right side
    92,679.37x = 6,701,720,762.48
  5. Step 5: Solve for x
    x = 6,701,720,762.48/92,679.37
  6. Step 6: Final answer
    x = 72,310.81

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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.