Home / 47,087.37-64,997.64-31,176.95

Finding the Fourth Proportional to 47,087.37, 64,997.64 and 31,176.95

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Solution

The fourth proportional to 47,087.37, 64,997.64 and 31,176.95 is: 43,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.37 : 64,997.64 = 31,176.95 : x
  2. Step 2: Convert to fraction form
    47,087.37/64,997.64 = 31,176.95/x
  3. Step 3: Cross multiply
    47,087.37x = 64,997.64 × 31,176.95
  4. Step 4: Simplify right side
    47,087.37x = 2,026,427,974.24
  5. Step 5: Solve for x
    x = 2,026,427,974.24/47,087.37
  6. Step 6: Final answer
    x = 43,035.49

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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.