Home / 82,518.23-123,618.17-49,264.89

Finding the Fourth Proportional to 82,518.23, 123,618.17 and 49,264.89

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Solution

The fourth proportional to 82,518.23, 123,618.17 and 49,264.89 is: 73,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518.23 : 123,618.17 = 49,264.89 : x
  2. Step 2: Convert to fraction form
    82,518.23/123,618.17 = 49,264.89/x
  3. Step 3: Cross multiply
    82,518.23x = 123,618.17 × 49,264.89
  4. Step 4: Simplify right side
    82,518.23x = 6,090,035,300.73
  5. Step 5: Solve for x
    x = 6,090,035,300.73/82,518.23
  6. Step 6: Final answer
    x = 73,802.31

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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.