Home / 47,087.50-64,997.81-31,177.08

Finding the Fourth Proportional to 47,087.50, 64,997.81 and 31,177.08

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Solution

The fourth proportional to 47,087.50, 64,997.81 and 31,177.08 is: 43,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.50 : 64,997.81 = 31,177.08 : x
  2. Step 2: Convert to fraction form
    47,087.50/64,997.81 = 31,177.08/x
  3. Step 3: Cross multiply
    47,087.50x = 64,997.81 × 31,177.08
  4. Step 4: Simplify right side
    47,087.50x = 2,026,441,441.32
  5. Step 5: Solve for x
    x = 2,026,441,441.32/47,087.50
  6. Step 6: Final answer
    x = 43,035.66

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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.