Home / 75,955.29-114,004.43-38,542.20

Finding the Fourth Proportional to 75,955.29, 114,004.43 and 38,542.20

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Solution

The fourth proportional to 75,955.29, 114,004.43 and 38,542.20 is: 57,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,955.29 : 114,004.43 = 38,542.20 : x
  2. Step 2: Convert to fraction form
    75,955.29/114,004.43 = 38,542.20/x
  3. Step 3: Cross multiply
    75,955.29x = 114,004.43 × 38,542.20
  4. Step 4: Simplify right side
    75,955.29x = 4,393,981,541.95
  5. Step 5: Solve for x
    x = 4,393,981,541.95/75,955.29
  6. Step 6: Final answer
    x = 57,849.58

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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.