Home / 53,180.26-73,388.42-28,981.18

Finding the Fourth Proportional to 53,180.26, 73,388.42 and 28,981.18

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Solution

The fourth proportional to 53,180.26, 73,388.42 and 28,981.18 is: 39,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.26 : 73,388.42 = 28,981.18 : x
  2. Step 2: Convert to fraction form
    53,180.26/73,388.42 = 28,981.18/x
  3. Step 3: Cross multiply
    53,180.26x = 73,388.42 × 28,981.18
  4. Step 4: Simplify right side
    53,180.26x = 2,126,883,009.94
  5. Step 5: Solve for x
    x = 2,126,883,009.94/53,180.26
  6. Step 6: Final answer
    x = 39,993.84

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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.