Home / 127,861.02-191,812.98-39,093.72

Finding the Fourth Proportional to 127,861.02, 191,812.98 and 39,093.72

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Solution

The fourth proportional to 127,861.02, 191,812.98 and 39,093.72 is: 58,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,861.02 : 191,812.98 = 39,093.72 : x
  2. Step 2: Convert to fraction form
    127,861.02/191,812.98 = 39,093.72/x
  3. Step 3: Cross multiply
    127,861.02x = 191,812.98 × 39,093.72
  4. Step 4: Simplify right side
    127,861.02x = 7,498,682,932.49
  5. Step 5: Solve for x
    x = 7,498,682,932.49/127,861.02
  6. Step 6: Final answer
    x = 58,647.14

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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.