Home / 69,668.49-96,143.63-39,453.00

Finding the Fourth Proportional to 69,668.49, 96,143.63 and 39,453.00

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Solution

The fourth proportional to 69,668.49, 96,143.63 and 39,453.00 is: 54,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.49 : 96,143.63 = 39,453.00 : x
  2. Step 2: Convert to fraction form
    69,668.49/96,143.63 = 39,453.00/x
  3. Step 3: Cross multiply
    69,668.49x = 96,143.63 × 39,453.00
  4. Step 4: Simplify right side
    69,668.49x = 3,793,153,956.41
  5. Step 5: Solve for x
    x = 3,793,153,956.41/69,668.49
  6. Step 6: Final answer
    x = 54,445.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.