Home / 71,133.24-106,668.42-37,845.40

Finding the Fourth Proportional to 71,133.24, 106,668.42 and 37,845.40

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Solution

The fourth proportional to 71,133.24, 106,668.42 and 37,845.40 is: 56,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,133.24 : 106,668.42 = 37,845.40 : x
  2. Step 2: Convert to fraction form
    71,133.24/106,668.42 = 37,845.40/x
  3. Step 3: Cross multiply
    71,133.24x = 106,668.42 × 37,845.40
  4. Step 4: Simplify right side
    71,133.24x = 4,036,909,022.27
  5. Step 5: Solve for x
    x = 4,036,909,022.27/71,133.24
  6. Step 6: Final answer
    x = 56,751.37

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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.