Home / 76,983.52-106,237.56-45,153.04

Finding the Fourth Proportional to 76,983.52, 106,237.56 and 45,153.04

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Solution

The fourth proportional to 76,983.52, 106,237.56 and 45,153.04 is: 62,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,983.52 : 106,237.56 = 45,153.04 : x
  2. Step 2: Convert to fraction form
    76,983.52/106,237.56 = 45,153.04/x
  3. Step 3: Cross multiply
    76,983.52x = 106,237.56 × 45,153.04
  4. Step 4: Simplify right side
    76,983.52x = 4,796,948,796.18
  5. Step 5: Solve for x
    x = 4,796,948,796.18/76,983.52
  6. Step 6: Final answer
    x = 62,311.37

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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.