Home / 84,989.25-117,285.17-47,263.50

Finding the Fourth Proportional to 84,989.25, 117,285.17 and 47,263.50

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Solution

The fourth proportional to 84,989.25, 117,285.17 and 47,263.50 is: 65,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,989.25 : 117,285.17 = 47,263.50 : x
  2. Step 2: Convert to fraction form
    84,989.25/117,285.17 = 47,263.50/x
  3. Step 3: Cross multiply
    84,989.25x = 117,285.17 × 47,263.50
  4. Step 4: Simplify right side
    84,989.25x = 5,543,307,395.98
  5. Step 5: Solve for x
    x = 5,543,307,395.98/84,989.25
  6. Step 6: Final answer
    x = 65,223.63

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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.