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Finding the Fourth Proportional to 92,684.93, 127,909.46 and 52,400.39

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Solution

The fourth proportional to 92,684.93, 127,909.46 and 52,400.39 is: 72,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,684.93 : 127,909.46 = 52,400.39 : x
  2. Step 2: Convert to fraction form
    92,684.93/127,909.46 = 52,400.39/x
  3. Step 3: Cross multiply
    92,684.93x = 127,909.46 × 52,400.39
  4. Step 4: Simplify right side
    92,684.93x = 6,702,504,687.14
  5. Step 5: Solve for x
    x = 6,702,504,687.14/92,684.93
  6. Step 6: Final answer
    x = 72,314.94

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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.