Home / 57,066.78-85,683.24-40,514.70

Finding the Fourth Proportional to 57,066.78, 85,683.24 and 40,514.70

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Solution

The fourth proportional to 57,066.78, 85,683.24 and 40,514.70 is: 60,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066.78 : 85,683.24 = 40,514.70 : x
  2. Step 2: Convert to fraction form
    57,066.78/85,683.24 = 40,514.70/x
  3. Step 3: Cross multiply
    57,066.78x = 85,683.24 × 40,514.70
  4. Step 4: Simplify right side
    57,066.78x = 3,471,430,763.63
  5. Step 5: Solve for x
    x = 3,471,430,763.63/57,066.78
  6. Step 6: Final answer
    x = 60,831.03

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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.