Home / 89,224.14-123,128.47-48,938.06

Finding the Fourth Proportional to 89,224.14, 123,128.47 and 48,938.06

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Solution

The fourth proportional to 89,224.14, 123,128.47 and 48,938.06 is: 67,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.14 : 123,128.47 = 48,938.06 : x
  2. Step 2: Convert to fraction form
    89,224.14/123,128.47 = 48,938.06/x
  3. Step 3: Cross multiply
    89,224.14x = 123,128.47 × 48,938.06
  4. Step 4: Simplify right side
    89,224.14x = 6,025,668,986.38
  5. Step 5: Solve for x
    x = 6,025,668,986.38/89,224.14
  6. Step 6: Final answer
    x = 67,534.06

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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.