Home / 56,735.70-78,297.18-31,244.73

Finding the Fourth Proportional to 56,735.70, 78,297.18 and 31,244.73

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Solution

The fourth proportional to 56,735.70, 78,297.18 and 31,244.73 is: 43,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,735.70 : 78,297.18 = 31,244.73 : x
  2. Step 2: Convert to fraction form
    56,735.70/78,297.18 = 31,244.73/x
  3. Step 3: Cross multiply
    56,735.70x = 78,297.18 × 31,244.73
  4. Step 4: Simplify right side
    56,735.70x = 2,446,374,248.86
  5. Step 5: Solve for x
    x = 2,446,374,248.86/56,735.70
  6. Step 6: Final answer
    x = 43,118.78

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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.