Home / 53,108.07-73,290.06-30,450.75

Finding the Fourth Proportional to 53,108.07, 73,290.06 and 30,450.75

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Solution

The fourth proportional to 53,108.07, 73,290.06 and 30,450.75 is: 42,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.07 : 73,290.06 = 30,450.75 : x
  2. Step 2: Convert to fraction form
    53,108.07/73,290.06 = 30,450.75/x
  3. Step 3: Cross multiply
    53,108.07x = 73,290.06 × 30,450.75
  4. Step 4: Simplify right side
    53,108.07x = 2,231,737,294.55
  5. Step 5: Solve for x
    x = 2,231,737,294.55/53,108.07
  6. Step 6: Final answer
    x = 42,022.56

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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.