Home / 86,982.44-120,035.76-49,263.98

Finding the Fourth Proportional to 86,982.44, 120,035.76 and 49,263.98

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Solution

The fourth proportional to 86,982.44, 120,035.76 and 49,263.98 is: 67,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,982.44 : 120,035.76 = 49,263.98 : x
  2. Step 2: Convert to fraction form
    86,982.44/120,035.76 = 49,263.98/x
  3. Step 3: Cross multiply
    86,982.44x = 120,035.76 × 49,263.98
  4. Step 4: Simplify right side
    86,982.44x = 5,913,439,279.92
  5. Step 5: Solve for x
    x = 5,913,439,279.92/86,982.44
  6. Step 6: Final answer
    x = 67,984.29

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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.