Home / 52,274.25-72,138.54-28,400.94

Finding the Fourth Proportional to 52,274.25, 72,138.54 and 28,400.94

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Solution

The fourth proportional to 52,274.25, 72,138.54 and 28,400.94 is: 39,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.25 : 72,138.54 = 28,400.94 : x
  2. Step 2: Convert to fraction form
    52,274.25/72,138.54 = 28,400.94/x
  3. Step 3: Cross multiply
    52,274.25x = 72,138.54 × 28,400.94
  4. Step 4: Simplify right side
    52,274.25x = 2,048,802,346.23
  5. Step 5: Solve for x
    x = 2,048,802,346.23/52,274.25
  6. Step 6: Final answer
    x = 39,193.34

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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.