Home / 107,992.98-149,031.15-60,238.62

Finding the Fourth Proportional to 107,992.98, 149,031.15 and 60,238.62

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Solution

The fourth proportional to 107,992.98, 149,031.15 and 60,238.62 is: 83,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,992.98 : 149,031.15 = 60,238.62 : x
  2. Step 2: Convert to fraction form
    107,992.98/149,031.15 = 60,238.62/x
  3. Step 3: Cross multiply
    107,992.98x = 149,031.15 × 60,238.62
  4. Step 4: Simplify right side
    107,992.98x = 8,977,430,813.01
  5. Step 5: Solve for x
    x = 8,977,430,813.01/107,992.98
  6. Step 6: Final answer
    x = 83,129.76

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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.