Home / 77,171.13-106,493.54-43,637.13

Finding the Fourth Proportional to 77,171.13, 106,493.54 and 43,637.13

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Solution

The fourth proportional to 77,171.13, 106,493.54 and 43,637.13 is: 60,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,171.13 : 106,493.54 = 43,637.13 : x
  2. Step 2: Convert to fraction form
    77,171.13/106,493.54 = 43,637.13/x
  3. Step 3: Cross multiply
    77,171.13x = 106,493.54 × 43,637.13
  4. Step 4: Simplify right side
    77,171.13x = 4,647,072,230.95
  5. Step 5: Solve for x
    x = 4,647,072,230.95/77,171.13
  6. Step 6: Final answer
    x = 60,217.76

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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.