Home / 95,376.81-131,610.99-57,135.72

Finding the Fourth Proportional to 95,376.81, 131,610.99 and 57,135.72

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Solution

The fourth proportional to 95,376.81, 131,610.99 and 57,135.72 is: 78,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,376.81 : 131,610.99 = 57,135.72 : x
  2. Step 2: Convert to fraction form
    95,376.81/131,610.99 = 57,135.72/x
  3. Step 3: Cross multiply
    95,376.81x = 131,610.99 × 57,135.72
  4. Step 4: Simplify right side
    95,376.81x = 7,519,688,673.56
  5. Step 5: Solve for x
    x = 7,519,688,673.56/95,376.81
  6. Step 6: Final answer
    x = 78,841.90

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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.