Home / 53,368.05-73,653.62-30,708.03

Finding the Fourth Proportional to 53,368.05, 73,653.62 and 30,708.03

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Solution

The fourth proportional to 53,368.05, 73,653.62 and 30,708.03 is: 42,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,368.05 : 73,653.62 = 30,708.03 : x
  2. Step 2: Convert to fraction form
    53,368.05/73,653.62 = 30,708.03/x
  3. Step 3: Cross multiply
    53,368.05x = 73,653.62 × 30,708.03
  4. Step 4: Simplify right side
    53,368.05x = 2,261,757,419.03
  5. Step 5: Solve for x
    x = 2,261,757,419.03/53,368.05
  6. Step 6: Final answer
    x = 42,380.36

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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.