Home / 53,145.30-79,727.55-26,783.70

Finding the Fourth Proportional to 53,145.30, 79,727.55 and 26,783.70

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Solution

The fourth proportional to 53,145.30, 79,727.55 and 26,783.70 is: 40,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.30 : 79,727.55 = 26,783.70 : x
  2. Step 2: Convert to fraction form
    53,145.30/79,727.55 = 26,783.70/x
  3. Step 3: Cross multiply
    53,145.30x = 79,727.55 × 26,783.70
  4. Step 4: Simplify right side
    53,145.30x = 2,135,398,780.94
  5. Step 5: Solve for x
    x = 2,135,398,780.94/53,145.30
  6. Step 6: Final answer
    x = 40,180.39

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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.