Home / 56,998.14-85,514.51-40,390.30

Finding the Fourth Proportional to 56,998.14, 85,514.51 and 40,390.30

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Solution

The fourth proportional to 56,998.14, 85,514.51 and 40,390.30 is: 60,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998.14 : 85,514.51 = 40,390.30 : x
  2. Step 2: Convert to fraction form
    56,998.14/85,514.51 = 40,390.30/x
  3. Step 3: Cross multiply
    56,998.14x = 85,514.51 × 40,390.30
  4. Step 4: Simplify right side
    56,998.14x = 3,453,956,713.25
  5. Step 5: Solve for x
    x = 3,453,956,713.25/56,998.14
  6. Step 6: Final answer
    x = 60,597.71

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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.