Home / 77,087.79-106,410.56-50,236.89

Finding the Fourth Proportional to 77,087.79, 106,410.56 and 50,236.89

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Solution

The fourth proportional to 77,087.79, 106,410.56 and 50,236.89 is: 69,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.79 : 106,410.56 = 50,236.89 : x
  2. Step 2: Convert to fraction form
    77,087.79/106,410.56 = 50,236.89/x
  3. Step 3: Cross multiply
    77,087.79x = 106,410.56 × 50,236.89
  4. Step 4: Simplify right side
    77,087.79x = 5,345,735,346.37
  5. Step 5: Solve for x
    x = 5,345,735,346.37/77,087.79
  6. Step 6: Final answer
    x = 69,346.07

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1.5x scale

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.