Home / 84,455.56-126,668.76-25,275.34

Finding the Fourth Proportional to 84,455.56, 126,668.76 and 25,275.34

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Solution

The fourth proportional to 84,455.56, 126,668.76 and 25,275.34 is: 37,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455.56 : 126,668.76 = 25,275.34 : x
  2. Step 2: Convert to fraction form
    84,455.56/126,668.76 = 25,275.34/x
  3. Step 3: Cross multiply
    84,455.56x = 126,668.76 × 25,275.34
  4. Step 4: Simplify right side
    84,455.56x = 3,201,595,976.38
  5. Step 5: Solve for x
    x = 3,201,595,976.38/84,455.56
  6. Step 6: Final answer
    x = 37,908.65

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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.