Home / 107,538.12-148,402.26-59,791.50

Finding the Fourth Proportional to 107,538.12, 148,402.26 and 59,791.50

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Solution

The fourth proportional to 107,538.12, 148,402.26 and 59,791.50 is: 82,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,538.12 : 148,402.26 = 59,791.50 : x
  2. Step 2: Convert to fraction form
    107,538.12/148,402.26 = 59,791.50/x
  3. Step 3: Cross multiply
    107,538.12x = 148,402.26 × 59,791.50
  4. Step 4: Simplify right side
    107,538.12x = 8,873,193,728.79
  5. Step 5: Solve for x
    x = 8,873,193,728.79/107,538.12
  6. Step 6: Final answer
    x = 82,512.08

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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.