Home / 77,438.28-106,825.47-50,596.50

Finding the Fourth Proportional to 77,438.28, 106,825.47 and 50,596.50

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Solution

The fourth proportional to 77,438.28, 106,825.47 and 50,596.50 is: 69,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,438.28 : 106,825.47 = 50,596.50 : x
  2. Step 2: Convert to fraction form
    77,438.28/106,825.47 = 50,596.50/x
  3. Step 3: Cross multiply
    77,438.28x = 106,825.47 × 50,596.50
  4. Step 4: Simplify right side
    77,438.28x = 5,404,994,892.86
  5. Step 5: Solve for x
    x = 5,404,994,892.86/77,438.28
  6. Step 6: Final answer
    x = 69,797.46

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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.