Home / 107,393.48-161,045.10-40,796.84

Finding the Fourth Proportional to 107,393.48, 161,045.10 and 40,796.84

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Solution

The fourth proportional to 107,393.48, 161,045.10 and 40,796.84 is: 61,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,393.48 : 161,045.10 = 40,796.84 : x
  2. Step 2: Convert to fraction form
    107,393.48/161,045.10 = 40,796.84/x
  3. Step 3: Cross multiply
    107,393.48x = 161,045.10 × 40,796.84
  4. Step 4: Simplify right side
    107,393.48x = 6,570,131,177.48
  5. Step 5: Solve for x
    x = 6,570,131,177.48/107,393.48
  6. Step 6: Final answer
    x = 61,178.12

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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.