Home / 108,896.10-150,266.16-61,138.50

Finding the Fourth Proportional to 108,896.10, 150,266.16 and 61,138.50

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Solution

The fourth proportional to 108,896.10, 150,266.16 and 61,138.50 is: 84,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,896.10 : 150,266.16 = 61,138.50 : x
  2. Step 2: Convert to fraction form
    108,896.10/150,266.16 = 61,138.50/x
  3. Step 3: Cross multiply
    108,896.10x = 150,266.16 × 61,138.50
  4. Step 4: Simplify right side
    108,896.10x = 9,187,047,623.16
  5. Step 5: Solve for x
    x = 9,187,047,623.16/108,896.10
  6. Step 6: Final answer
    x = 84,365.26

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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.