Home / 69,668.14-96,148.02-39,458.79

Finding the Fourth Proportional to 69,668.14, 96,148.02 and 39,458.79

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Solution

The fourth proportional to 69,668.14, 96,148.02 and 39,458.79 is: 54,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.14 : 96,148.02 = 39,458.79 : x
  2. Step 2: Convert to fraction form
    69,668.14/96,148.02 = 39,458.79/x
  3. Step 3: Cross multiply
    69,668.14x = 96,148.02 × 39,458.79
  4. Step 4: Simplify right side
    69,668.14x = 3,793,884,530.10
  5. Step 5: Solve for x
    x = 3,793,884,530.10/69,668.14
  6. Step 6: Final answer
    x = 54,456.52

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1.5x scale

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.