Home / 94,679.42-142,038.57-38,519.39

Finding the Fourth Proportional to 94,679.42, 142,038.57 and 38,519.39

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Solution

The fourth proportional to 94,679.42, 142,038.57 and 38,519.39 is: 57,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,679.42 : 142,038.57 = 38,519.39 : x
  2. Step 2: Convert to fraction form
    94,679.42/142,038.57 = 38,519.39/x
  3. Step 3: Cross multiply
    94,679.42x = 142,038.57 × 38,519.39
  4. Step 4: Simplify right side
    94,679.42x = 5,471,239,072.87
  5. Step 5: Solve for x
    x = 5,471,239,072.87/94,679.42
  6. Step 6: Final answer
    x = 57,786.99

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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.