Home / 89,963.42-134,945.29-23,403.43

Finding the Fourth Proportional to 89,963.42, 134,945.29 and 23,403.43

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Solution

The fourth proportional to 89,963.42, 134,945.29 and 23,403.43 is: 35,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,963.42 : 134,945.29 = 23,403.43 : x
  2. Step 2: Convert to fraction form
    89,963.42/134,945.29 = 23,403.43/x
  3. Step 3: Cross multiply
    89,963.42x = 134,945.29 × 23,403.43
  4. Step 4: Simplify right side
    89,963.42x = 3,158,182,846.28
  5. Step 5: Solve for x
    x = 3,158,182,846.28/89,963.42
  6. Step 6: Final answer
    x = 35,105.19

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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.