Home / 53,453.07-73,741.32-30,786.12

Finding the Fourth Proportional to 53,453.07, 73,741.32 and 30,786.12

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Solution

The fourth proportional to 53,453.07, 73,741.32 and 30,786.12 is: 42,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,453.07 : 73,741.32 = 30,786.12 : x
  2. Step 2: Convert to fraction form
    53,453.07/73,741.32 = 30,786.12/x
  3. Step 3: Cross multiply
    53,453.07x = 73,741.32 × 30,786.12
  4. Step 4: Simplify right side
    53,453.07x = 2,270,209,126.48
  5. Step 5: Solve for x
    x = 2,270,209,126.48/53,453.07
  6. Step 6: Final answer
    x = 42,471.07

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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.