Home / 109,125.01-150,576.33-61,375.51

Finding the Fourth Proportional to 109,125.01, 150,576.33 and 61,375.51

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Solution

The fourth proportional to 109,125.01, 150,576.33 and 61,375.51 is: 84,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,125.01 : 150,576.33 = 61,375.51 : x
  2. Step 2: Convert to fraction form
    109,125.01/150,576.33 = 61,375.51/x
  3. Step 3: Cross multiply
    109,125.01x = 150,576.33 × 61,375.51
  4. Step 4: Simplify right side
    109,125.01x = 9,241,699,047.68
  5. Step 5: Solve for x
    x = 9,241,699,047.68/109,125.01
  6. Step 6: Final answer
    x = 84,689.10

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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.