Home / 82,942.18-114,424.08-52,711.30

Finding the Fourth Proportional to 82,942.18, 114,424.08 and 52,711.30

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Solution

The fourth proportional to 82,942.18, 114,424.08 and 52,711.30 is: 72,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,942.18 : 114,424.08 = 52,711.30 : x
  2. Step 2: Convert to fraction form
    82,942.18/114,424.08 = 52,711.30/x
  3. Step 3: Cross multiply
    82,942.18x = 114,424.08 × 52,711.30
  4. Step 4: Simplify right side
    82,942.18x = 6,031,442,008.10
  5. Step 5: Solve for x
    x = 6,031,442,008.10/82,942.18
  6. Step 6: Final answer
    x = 72,718.63

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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.