Home / 82,187.73-123,298.20-34,802.73

Finding the Fourth Proportional to 82,187.73, 123,298.20 and 34,802.73

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Solution

The fourth proportional to 82,187.73, 123,298.20 and 34,802.73 is: 52,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,187.73 : 123,298.20 = 34,802.73 : x
  2. Step 2: Convert to fraction form
    82,187.73/123,298.20 = 34,802.73/x
  3. Step 3: Cross multiply
    82,187.73x = 123,298.20 × 34,802.73
  4. Step 4: Simplify right side
    82,187.73x = 4,291,113,964.09
  5. Step 5: Solve for x
    x = 4,291,113,964.09/82,187.73
  6. Step 6: Final answer
    x = 52,211.13

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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.