Home / 61,748.82-85,212.26-34,890.76

Finding the Fourth Proportional to 61,748.82, 85,212.26 and 34,890.76

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Solution

The fourth proportional to 61,748.82, 85,212.26 and 34,890.76 is: 48,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,748.82 : 85,212.26 = 34,890.76 : x
  2. Step 2: Convert to fraction form
    61,748.82/85,212.26 = 34,890.76/x
  3. Step 3: Cross multiply
    61,748.82x = 85,212.26 × 34,890.76
  4. Step 4: Simplify right side
    61,748.82x = 2,973,120,575.62
  5. Step 5: Solve for x
    x = 2,973,120,575.62/61,748.82
  6. Step 6: Final answer
    x = 48,148.62

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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.