Home / 82,956.32-114,480.24-45,231.20

Finding the Fourth Proportional to 82,956.32, 114,480.24 and 45,231.20

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Solution

The fourth proportional to 82,956.32, 114,480.24 and 45,231.20 is: 62,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,956.32 : 114,480.24 = 45,231.20 : x
  2. Step 2: Convert to fraction form
    82,956.32/114,480.24 = 45,231.20/x
  3. Step 3: Cross multiply
    82,956.32x = 114,480.24 × 45,231.20
  4. Step 4: Simplify right side
    82,956.32x = 5,178,078,631.49
  5. Step 5: Solve for x
    x = 5,178,078,631.49/82,956.32
  6. Step 6: Final answer
    x = 62,419.34

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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.