Home / 53,351.87-79,853.99-39,306.33

Finding the Fourth Proportional to 53,351.87, 79,853.99 and 39,306.33

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Solution

The fourth proportional to 53,351.87, 79,853.99 and 39,306.33 is: 58,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,351.87 : 79,853.99 = 39,306.33 : x
  2. Step 2: Convert to fraction form
    53,351.87/79,853.99 = 39,306.33/x
  3. Step 3: Cross multiply
    53,351.87x = 79,853.99 × 39,306.33
  4. Step 4: Simplify right side
    53,351.87x = 3,138,767,086.23
  5. Step 5: Solve for x
    x = 3,138,767,086.23/53,351.87
  6. Step 6: Final answer
    x = 58,831.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.