Home / 108,936.23-150,346.02-61,189.56

Finding the Fourth Proportional to 108,936.23, 150,346.02 and 61,189.56

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Solution

The fourth proportional to 108,936.23, 150,346.02 and 61,189.56 is: 84,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,936.23 : 150,346.02 = 61,189.56 : x
  2. Step 2: Convert to fraction form
    108,936.23/150,346.02 = 61,189.56/x
  3. Step 3: Cross multiply
    108,936.23x = 150,346.02 × 61,189.56
  4. Step 4: Simplify right side
    108,936.23x = 9,199,607,041.01
  5. Step 5: Solve for x
    x = 9,199,607,041.01/108,936.23
  6. Step 6: Final answer
    x = 84,449.48

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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.