Home / 108,916.93-150,297.96-61,174.72

Finding the Fourth Proportional to 108,916.93, 150,297.96 and 61,174.72

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Solution

The fourth proportional to 108,916.93, 150,297.96 and 61,174.72 is: 84,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,916.93 : 150,297.96 = 61,174.72 : x
  2. Step 2: Convert to fraction form
    108,916.93/150,297.96 = 61,174.72/x
  3. Step 3: Cross multiply
    108,916.93x = 150,297.96 × 61,174.72
  4. Step 4: Simplify right side
    108,916.93x = 9,194,435,619.57
  5. Step 5: Solve for x
    x = 9,194,435,619.57/108,916.93
  6. Step 6: Final answer
    x = 84,416.96

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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.