Home / 107,563.63-161,345.23-51,232.89

Finding the Fourth Proportional to 107,563.63, 161,345.23 and 51,232.89

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Solution

The fourth proportional to 107,563.63, 161,345.23 and 51,232.89 is: 76,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,563.63 : 161,345.23 = 51,232.89 : x
  2. Step 2: Convert to fraction form
    107,563.63/161,345.23 = 51,232.89/x
  3. Step 3: Cross multiply
    107,563.63x = 161,345.23 × 51,232.89
  4. Step 4: Simplify right side
    107,563.63x = 8,266,182,420.61
  5. Step 5: Solve for x
    x = 8,266,182,420.61/107,563.63
  6. Step 6: Final answer
    x = 76,849.23

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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.