Home / 84,110.67-125,985.11-39,670.83

Finding the Fourth Proportional to 84,110.67, 125,985.11 and 39,670.83

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Solution

The fourth proportional to 84,110.67, 125,985.11 and 39,670.83 is: 59,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,110.67 : 125,985.11 = 39,670.83 : x
  2. Step 2: Convert to fraction form
    84,110.67/125,985.11 = 39,670.83/x
  3. Step 3: Cross multiply
    84,110.67x = 125,985.11 × 39,670.83
  4. Step 4: Simplify right side
    84,110.67x = 4,997,933,682.99
  5. Step 5: Solve for x
    x = 4,997,933,682.99/84,110.67
  6. Step 6: Final answer
    x = 59,420.92

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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.