Home / 95,073.60-131,215.40-54,779.56

Finding the Fourth Proportional to 95,073.60, 131,215.40 and 54,779.56

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Solution

The fourth proportional to 95,073.60, 131,215.40 and 54,779.56 is: 75,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,073.60 : 131,215.40 = 54,779.56 : x
  2. Step 2: Convert to fraction form
    95,073.60/131,215.40 = 54,779.56/x
  3. Step 3: Cross multiply
    95,073.60x = 131,215.40 × 54,779.56
  4. Step 4: Simplify right side
    95,073.60x = 7,187,921,877.22
  5. Step 5: Solve for x
    x = 7,187,921,877.22/95,073.60
  6. Step 6: Final answer
    x = 75,603.76

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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.