Home / 61,742.34-92,539.17-28,416.78

Finding the Fourth Proportional to 61,742.34, 92,539.17 and 28,416.78

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Solution

The fourth proportional to 61,742.34, 92,539.17 and 28,416.78 is: 42,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.34 : 92,539.17 = 28,416.78 : x
  2. Step 2: Convert to fraction form
    61,742.34/92,539.17 = 28,416.78/x
  3. Step 3: Cross multiply
    61,742.34x = 92,539.17 × 28,416.78
  4. Step 4: Simplify right side
    61,742.34x = 2,629,665,235.27
  5. Step 5: Solve for x
    x = 2,629,665,235.27/61,742.34
  6. Step 6: Final answer
    x = 42,590.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.