Home / 87,544.80-131,290.44-57,557.76

Finding the Fourth Proportional to 87,544.80, 131,290.44 and 57,557.76

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Solution

The fourth proportional to 87,544.80, 131,290.44 and 57,557.76 is: 86,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544.80 : 131,290.44 = 57,557.76 : x
  2. Step 2: Convert to fraction form
    87,544.80/131,290.44 = 57,557.76/x
  3. Step 3: Cross multiply
    87,544.80x = 131,290.44 × 57,557.76
  4. Step 4: Simplify right side
    87,544.80x = 7,556,783,635.81
  5. Step 5: Solve for x
    x = 7,556,783,635.81/87,544.80
  6. Step 6: Final answer
    x = 86,319.05

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1.5x scale

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.