Home / 52,117.14-71,921.72-28,243.62

Finding the Fourth Proportional to 52,117.14, 71,921.72 and 28,243.62

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Solution

The fourth proportional to 52,117.14, 71,921.72 and 28,243.62 is: 38,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,117.14 : 71,921.72 = 28,243.62 : x
  2. Step 2: Convert to fraction form
    52,117.14/71,921.72 = 28,243.62/x
  3. Step 3: Cross multiply
    52,117.14x = 71,921.72 × 28,243.62
  4. Step 4: Simplify right side
    52,117.14x = 2,031,329,729.43
  5. Step 5: Solve for x
    x = 2,031,329,729.43/52,117.14
  6. Step 6: Final answer
    x = 38,976.23

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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.