Home / 82,631.30-114,031.18-44,905.54

Finding the Fourth Proportional to 82,631.30, 114,031.18 and 44,905.54

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Solution

The fourth proportional to 82,631.30, 114,031.18 and 44,905.54 is: 61,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,631.30 : 114,031.18 = 44,905.54 : x
  2. Step 2: Convert to fraction form
    82,631.30/114,031.18 = 44,905.54/x
  3. Step 3: Cross multiply
    82,631.30x = 114,031.18 × 44,905.54
  4. Step 4: Simplify right side
    82,631.30x = 5,120,631,714.74
  5. Step 5: Solve for x
    x = 5,120,631,714.74/82,631.30
  6. Step 6: Final answer
    x = 61,969.64

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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.