Home / 53,180.07-73,388.79-30,517.26

Finding the Fourth Proportional to 53,180.07, 73,388.79 and 30,517.26

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Solution

The fourth proportional to 53,180.07, 73,388.79 and 30,517.26 is: 42,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.07 : 73,388.79 = 30,517.26 : x
  2. Step 2: Convert to fraction form
    53,180.07/73,388.79 = 30,517.26/x
  3. Step 3: Cross multiply
    53,180.07x = 73,388.79 × 30,517.26
  4. Step 4: Simplify right side
    53,180.07x = 2,239,624,785.52
  5. Step 5: Solve for x
    x = 2,239,624,785.52/53,180.07
  6. Step 6: Final answer
    x = 42,113.99

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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.