Home / 108,935.15-150,338.57-61,191.32

Finding the Fourth Proportional to 108,935.15, 150,338.57 and 61,191.32

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Solution

The fourth proportional to 108,935.15, 150,338.57 and 61,191.32 is: 84,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,935.15 : 150,338.57 = 61,191.32 : x
  2. Step 2: Convert to fraction form
    108,935.15/150,338.57 = 61,191.32/x
  3. Step 3: Cross multiply
    108,935.15x = 150,338.57 × 61,191.32
  4. Step 4: Simplify right side
    108,935.15x = 9,199,414,487.56
  5. Step 5: Solve for x
    x = 9,199,414,487.56/108,935.15
  6. Step 6: Final answer
    x = 84,448.54

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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.