Home / 53,091.80-79,637.61-36,401.23

Finding the Fourth Proportional to 53,091.80, 79,637.61 and 36,401.23

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Solution

The fourth proportional to 53,091.80, 79,637.61 and 36,401.23 is: 54,601.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.80 : 79,637.61 = 36,401.23 : x
  2. Step 2: Convert to fraction form
    53,091.80/79,637.61 = 36,401.23/x
  3. Step 3: Cross multiply
    53,091.80x = 79,637.61 × 36,401.23
  4. Step 4: Simplify right side
    53,091.80x = 2,898,906,759.17
  5. Step 5: Solve for x
    x = 2,898,906,759.17/53,091.80
  6. Step 6: Final answer
    x = 54,601.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.