Home / 79,490.88-119,228.64-24,087.36

Finding the Fourth Proportional to 79,490.88, 119,228.64 and 24,087.36

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Solution

The fourth proportional to 79,490.88, 119,228.64 and 24,087.36 is: 36,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,490.88 : 119,228.64 = 24,087.36 : x
  2. Step 2: Convert to fraction form
    79,490.88/119,228.64 = 24,087.36/x
  3. Step 3: Cross multiply
    79,490.88x = 119,228.64 × 24,087.36
  4. Step 4: Simplify right side
    79,490.88x = 2,871,903,173.99
  5. Step 5: Solve for x
    x = 2,871,903,173.99/79,490.88
  6. Step 6: Final answer
    x = 36,128.71

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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.