Home / 56,831.86-85,249.41-17,388.10

Finding the Fourth Proportional to 56,831.86, 85,249.41 and 17,388.10

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Solution

The fourth proportional to 56,831.86, 85,249.41 and 17,388.10 is: 26,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.86 : 85,249.41 = 17,388.10 : x
  2. Step 2: Convert to fraction form
    56,831.86/85,249.41 = 17,388.10/x
  3. Step 3: Cross multiply
    56,831.86x = 85,249.41 × 17,388.10
  4. Step 4: Simplify right side
    56,831.86x = 1,482,325,266.02
  5. Step 5: Solve for x
    x = 1,482,325,266.02/56,831.86
  6. Step 6: Final answer
    x = 26,082.65

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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.