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Finding the Fourth Proportional to 92,667.38, 127,879.60 and 52,379.73

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Solution

The fourth proportional to 92,667.38, 127,879.60 and 52,379.73 is: 72,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,667.38 : 127,879.60 = 52,379.73 : x
  2. Step 2: Convert to fraction form
    92,667.38/127,879.60 = 52,379.73/x
  3. Step 3: Cross multiply
    92,667.38x = 127,879.60 × 52,379.73
  4. Step 4: Simplify right side
    92,667.38x = 6,698,298,920.51
  5. Step 5: Solve for x
    x = 6,698,298,920.51/92,667.38
  6. Step 6: Final answer
    x = 72,283.24

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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.