Home / 54,705.24-75,492.16-30,831.42

Finding the Fourth Proportional to 54,705.24, 75,492.16 and 30,831.42

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Solution

The fourth proportional to 54,705.24, 75,492.16 and 30,831.42 is: 42,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.24 : 75,492.16 = 30,831.42 : x
  2. Step 2: Convert to fraction form
    54,705.24/75,492.16 = 30,831.42/x
  3. Step 3: Cross multiply
    54,705.24x = 75,492.16 × 30,831.42
  4. Step 4: Simplify right side
    54,705.24x = 2,327,530,491.67
  5. Step 5: Solve for x
    x = 2,327,530,491.67/54,705.24
  6. Step 6: Final answer
    x = 42,546.76

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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.