Home / 71,218.28-98,277.23-38,946.49

Finding the Fourth Proportional to 71,218.28, 98,277.23 and 38,946.49

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Solution

The fourth proportional to 71,218.28, 98,277.23 and 38,946.49 is: 53,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,218.28 : 98,277.23 = 38,946.49 : x
  2. Step 2: Convert to fraction form
    71,218.28/98,277.23 = 38,946.49/x
  3. Step 3: Cross multiply
    71,218.28x = 98,277.23 × 38,946.49
  4. Step 4: Simplify right side
    71,218.28x = 3,827,553,007.10
  5. Step 5: Solve for x
    x = 3,827,553,007.10/71,218.28
  6. Step 6: Final answer
    x = 53,743.97

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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.