Home / 77,056.94-115,408.01-39,524.78

Finding the Fourth Proportional to 77,056.94, 115,408.01 and 39,524.78

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Solution

The fourth proportional to 77,056.94, 115,408.01 and 39,524.78 is: 59,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,056.94 : 115,408.01 = 39,524.78 : x
  2. Step 2: Convert to fraction form
    77,056.94/115,408.01 = 39,524.78/x
  3. Step 3: Cross multiply
    77,056.94x = 115,408.01 × 39,524.78
  4. Step 4: Simplify right side
    77,056.94x = 4,561,475,727.26
  5. Step 5: Solve for x
    x = 4,561,475,727.26/77,056.94
  6. Step 6: Final answer
    x = 59,196.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.