Home / 76,887.22-106,108.05-43,352.50

Finding the Fourth Proportional to 76,887.22, 106,108.05 and 43,352.50

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Solution

The fourth proportional to 76,887.22, 106,108.05 and 43,352.50 is: 59,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,887.22 : 106,108.05 = 43,352.50 : x
  2. Step 2: Convert to fraction form
    76,887.22/106,108.05 = 43,352.50/x
  3. Step 3: Cross multiply
    76,887.22x = 106,108.05 × 43,352.50
  4. Step 4: Simplify right side
    76,887.22x = 4,600,049,237.63
  5. Step 5: Solve for x
    x = 4,600,049,237.63/76,887.22
  6. Step 6: Final answer
    x = 59,828.53

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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.