Home / 123,857.56-185,782.92-39,617.05

Finding the Fourth Proportional to 123,857.56, 185,782.92 and 39,617.05

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Solution

The fourth proportional to 123,857.56, 185,782.92 and 39,617.05 is: 59,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,857.56 : 185,782.92 = 39,617.05 : x
  2. Step 2: Convert to fraction form
    123,857.56/185,782.92 = 39,617.05/x
  3. Step 3: Cross multiply
    123,857.56x = 185,782.92 × 39,617.05
  4. Step 4: Simplify right side
    123,857.56x = 7,360,170,966.11
  5. Step 5: Solve for x
    x = 7,360,170,966.11/123,857.56
  6. Step 6: Final answer
    x = 59,424.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.