Home / 95,027.06-131,128.44-56,779

Finding the Fourth Proportional to 95,027.06, 131,128.44 and 56,779

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Solution

The fourth proportional to 95,027.06, 131,128.44 and 56,779 is: 78,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,027.06 : 131,128.44 = 56,779 : x
  2. Step 2: Convert to fraction form
    95,027.06/131,128.44 = 56,779/x
  3. Step 3: Cross multiply
    95,027.06x = 131,128.44 × 56,779
  4. Step 4: Simplify right side
    95,027.06x = 7,445,341,694.76
  5. Step 5: Solve for x
    x = 7,445,341,694.76/95,027.06
  6. Step 6: Final answer
    x = 78,349.70

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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.