Home / 77,269.42-106,634.16-43,277.82

Finding the Fourth Proportional to 77,269.42, 106,634.16 and 43,277.82

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Solution

The fourth proportional to 77,269.42, 106,634.16 and 43,277.82 is: 59,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269.42 : 106,634.16 = 43,277.82 : x
  2. Step 2: Convert to fraction form
    77,269.42/106,634.16 = 43,277.82/x
  3. Step 3: Cross multiply
    77,269.42x = 106,634.16 × 43,277.82
  4. Step 4: Simplify right side
    77,269.42x = 4,614,893,982.33
  5. Step 5: Solve for x
    x = 4,614,893,982.33/77,269.42
  6. Step 6: Final answer
    x = 59,724.71

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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.