Home / 56,782.50-85,109.15-34,546.86

Finding the Fourth Proportional to 56,782.50, 85,109.15 and 34,546.86

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Solution

The fourth proportional to 56,782.50, 85,109.15 and 34,546.86 is: 51,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,782.50 : 85,109.15 = 34,546.86 : x
  2. Step 2: Convert to fraction form
    56,782.50/85,109.15 = 34,546.86/x
  3. Step 3: Cross multiply
    56,782.50x = 85,109.15 × 34,546.86
  4. Step 4: Simplify right side
    56,782.50x = 2,940,253,717.03
  5. Step 5: Solve for x
    x = 2,940,253,717.03/56,782.50
  6. Step 6: Final answer
    x = 51,780.98

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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.