Home / 89,586.81-123,628.68-49,302.27

Finding the Fourth Proportional to 89,586.81, 123,628.68 and 49,302.27

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Solution

The fourth proportional to 89,586.81, 123,628.68 and 49,302.27 is: 68,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,586.81 : 123,628.68 = 49,302.27 : x
  2. Step 2: Convert to fraction form
    89,586.81/123,628.68 = 49,302.27/x
  3. Step 3: Cross multiply
    89,586.81x = 123,628.68 × 49,302.27
  4. Step 4: Simplify right side
    89,586.81x = 6,095,174,561.10
  5. Step 5: Solve for x
    x = 6,095,174,561.10/89,586.81
  6. Step 6: Final answer
    x = 68,036.52

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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.