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Finding the Fourth Proportional to 92,874.44, 128,166.36 and 52,590.98

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Solution

The fourth proportional to 92,874.44, 128,166.36 and 52,590.98 is: 72,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,874.44 : 128,166.36 = 52,590.98 : x
  2. Step 2: Convert to fraction form
    92,874.44/128,166.36 = 52,590.98/x
  3. Step 3: Cross multiply
    92,874.44x = 128,166.36 × 52,590.98
  4. Step 4: Simplify right side
    92,874.44x = 6,740,394,475.43
  5. Step 5: Solve for x
    x = 6,740,394,475.43/92,874.44
  6. Step 6: Final answer
    x = 72,575.34

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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.