Home / 79,415.16-119,123-26,825.08

Finding the Fourth Proportional to 79,415.16, 119,123 and 26,825.08

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Solution

The fourth proportional to 79,415.16, 119,123 and 26,825.08 is: 40,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415.16 : 119,123 = 26,825.08 : x
  2. Step 2: Convert to fraction form
    79,415.16/119,123 = 26,825.08/x
  3. Step 3: Cross multiply
    79,415.16x = 119,123 × 26,825.08
  4. Step 4: Simplify right side
    79,415.16x = 3,195,484,004.84
  5. Step 5: Solve for x
    x = 3,195,484,004.84/79,415.16
  6. Step 6: Final answer
    x = 40,237.71

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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.