Home / 89,814.66-123,968.08-53,053.11

Finding the Fourth Proportional to 89,814.66, 123,968.08 and 53,053.11

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Solution

The fourth proportional to 89,814.66, 123,968.08 and 53,053.11 is: 73,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.66 : 123,968.08 = 53,053.11 : x
  2. Step 2: Convert to fraction form
    89,814.66/123,968.08 = 53,053.11/x
  3. Step 3: Cross multiply
    89,814.66x = 123,968.08 × 53,053.11
  4. Step 4: Simplify right side
    89,814.66x = 6,576,892,715.93
  5. Step 5: Solve for x
    x = 6,576,892,715.93/89,814.66
  6. Step 6: Final answer
    x = 73,227.39

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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.