Home / 89,082.43-133,365.08-69,301.02

Finding the Fourth Proportional to 89,082.43, 133,365.08 and 69,301.02

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Solution

The fourth proportional to 89,082.43, 133,365.08 and 69,301.02 is: 103,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.43 : 133,365.08 = 69,301.02 : x
  2. Step 2: Convert to fraction form
    89,082.43/133,365.08 = 69,301.02/x
  3. Step 3: Cross multiply
    89,082.43x = 133,365.08 × 69,301.02
  4. Step 4: Simplify right side
    89,082.43x = 9,242,335,999.57
  5. Step 5: Solve for x
    x = 9,242,335,999.57/89,082.43
  6. Step 6: Final answer
    x = 103,750.38

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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.